Kenley Jansen

Former Prospect 15-day Injured List ... Toledo Mud Hens
High Level
MLB
Years
2005-2026 (2010-2026)
Proper Name
Kenley Geronimo Jansen
Nickname
Kenleyfornia
Pronunciation
KEHN-lee JAN-sin
Positions
P (991) ... C (238) ... 1B (6) ... OF (1)
Height / Weight
6-5 / 265
Bats / Throws
Both / Right
Birthdate
September 30,1987   Age:  38.256
Drafted/Signed
Service Time
15.073 (2025)
MLB Debut
Contract Info
MLBAM ID
Retrosheet#
jansk001
Show More
[2009] Played for Netherlands in World Baseball Classic   [2013] Played for Netherlands in World Baseball Classic   [2017] Played for Netherlands in World Baseball Classic   [2020] World Series Champion with Los Angeles Dodgers   [2023] Played for Netherlands in World Baseball Classic   [2026] Played for Netherlands in World Baseball Classic

Games - Pitching

CSV
Glossary
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yearteamsggscggrgfwlwpcttm-wtm-ltm-w%holdsvblsvgs%cg%inn1inn2inn3inn4inn5inn6inn7inn8inn9inn10inn11inn12innxip-sip-ravg_stavg_rellmiemigsc1gsc2
2010LAN2500258101.0001213.4804400.0--0000031211400000.027.0--1.144
2011LAN5000501321.6672426.4809510.0--000031116201300000.052.2--1.1617
2012LAN6500654053.6254718.72382570.0--0000004224210000.065.0--1.045
2013LAN7500754543.5715817.773162840.0--0000005304520020.076.2--1.0512
2014LAN6800685723.4005810.85304450.0--000000046520100.065.1--1.068
2015LAN5400545021.667486.88913620.0--000000034830100.052.1--1.026
2016LAN7100716332.600629.87304760.0--000000086640000.068.2--1.0212
2017LAN65006557501.000605.92314110.0--0000000146131100.068.1--1.1718
2018LAN6900695915.1675415.78303840.0--000000066430120.071.2--1.0111
2019LAN6200625153.6254913.79003380.0--000000195710000.063.0--1.0310
2020LAN2700272431.750243.88901120.0--000000102330000.024.1--0.914
2021LAN6900695244.5005118.73903850.0--0000001135840000.069.0--1.0412
2022ATL6500655452.7145411.83104170.0--000000036210000.064.0--1.012
2023BOS5100514236.3331635.31402930.0--000000044701000.044.2--0.934
2024BOS5400543842.6674113.75902740.0--000000085010000.054.2--1.025
2025ANA610061054.5564813.78712910.0--000000045900000.059.0--1.015
Tot: 931009316535440.574706225.75840476600.0--000031440159764282440.0926.3--1.052135
g: Games Pitched ... gs: Games Started ... cg: Complete Games ... gr: Games Relieved ... gf: Games Finished ... w: Wins ... l: Losses ... wpct: Win Percentage ... tm-w: Team Wins in games pitched ... tm-l: Team losses in games pitched ... tm-w%: Team win% when pitching ... hold: Holds ... sv: Saves ... blsv: Blown Saves ... gs%: Games Started% ... cg%: Complete Games% ... inn#: Appearances in this inning ... innx: Appearances in 13th+ inning ... ip-s: Innings Pitched as Starter ... ip-r: Innings Pitched as Reliever ... avg_st: Average innings pitched per start ... avg_rel: Average innings pitched per relief appearance ... lmi: Left game mid-inning ... emi: Entered game mid-inning ... gsc1: Average Game Score using Bill James Formula (as starter) ... gsc2: Average Game Score using Tom Tango formula (as starter)

On Base - Pitching

CSV
Glossary
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yearteamsgpaabonbsonbs2obpobp2hbbhbproefcfocisgldbltplhrifhbntb-hhr1hr2hr3hr4iphrrbihr-rbihr-rbi%bb4bb1opronbrrbi%
2010LAN25109922831.257.284121510120930022100000400.005351676.0
2011LAN502181895858.266.266302620000234033101200016531.2574961379.5
2012LAN652522265860.230.238332230010187263104200019842.11558411711.1
2013LAN752922716974.236.253481831030356164205100013753.85331091355.2
2014LAN682682467477.276.2875519010103910156313200023730.430511816610.8
2015LAN542001884347.215.23533821020225066204110020945.0002749614.6
2016LAN712512344849.191.195351120010218244413100014535.7111779910.1
2017LAN652582485356.205.21744722000326154103020014964.2911941237.3
2018LAN692892697379.253.273541724020328113410111100271659.26221121509.3
2019LAN622632407180.270.30451164521029121966452110321650.004411416713.8
2020LAN27102903131.304.30419930000143023111100010330.0020507710.4
2021LAN692782367478.266.281363621020257041201300022731.82391271879.6
2022ATL652602346975.265.2884522201502863874262000271037.04349613514.1
2023BOS511881695961.314.324401720110269055203110019842.11367410713.1
2024BOS542181945963.271.289382011030259041103100016531.25548111210.7
2025ANA612362145765.242.2753719143102351833153000181161.11451021307.7
Tot: 9313682334092431.251.267610282322082504011081388623611582361029412642.8648581459200510.3
G: Games ... PA: Plate Appearances ... AB: At Bats ... ONBS: On base (H+BB+HBP) ... ONBS2: All On Base (H+BB+HBP+ERROR+FC+FO) ... OBP: On Base Percentage ... OBP2: On Base Percentage for ONBS2 ... H: Hits ... BB: Walks ... HBP: Hit by Pitch ... ROE: Reached on Error ... FC: Fielder`s Choice ... FO: Forceouts ... CI: Catcher`s Interference ... SGL: Singles ... DBL: Doubles ... TPL: Triples ... HR: Home Runs ... IFH: Infield Hits ... BNT: Bunts ... B-H: Bunt hits ... PH-H: Pinch Hits ... PH-HR: Pinch hit home runs ... HR1: Solo home runs ... HR2: 2-run Homers ... HR3: 3-run Homers ... HR4: Grand Slams ... IPHR: Inside the park homers ... RBI: Runs batted in ... HR-RBI: RBIS on Home Runs ... HR-RBI%: % of RBIs on Home Runs ... RBI2: Runs batted in on outs ... BB4: Walks on 4 pitches ... BB1OP: Walks with 1st base open ... RON: PA with runners on ... BR: # of Baserunners ... RBI%: % of opportunities with RBI ... OPP: RBI Opportunities Points ... CONV: RBIs points converted ... CONV%: Converted% ... LDOF: Leadoff ... OB: Leadoff onbase ... LD-OB%: Leadoff onbase% ... LAST: Last batter of game ... WOH: Walk-off Hits ... WOHR: Walk-off Home Runs

Outs - Pitching

CSV
Glossary
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yearteamsgpaaboutsgoaoratioflylopopout_ifout_ofout_prrbi_outsoso%so3swcalfcfogdpoppgdp%loc1loc2loc3loc4loc5loc6loc7loc8loc9
2010LAN25109927913250.52111138227104137.616338121195.3105689787
2011LAN5021818915919440.432813318533019644.04236927000450.030710610231916
2012LAN6525222619333630.523621619755519939.29368118011323.15213171011252519
2013LAN7529227122146650.713815122276510011138.012789220354112.22112241219243926
2014LAN6826824619034560.612713162145410410137.6933929011472.15214161014272731
2015LAN5420018815426490.5322198152481148040.00276614020250.0439151113191718
2016LAN7125123420033630.5239177195568110441.43358915011254.0325161321261828
2017LAN6525824820238550.692122121946410110942.253986230032711.1471225814272118
2018LAN6928926921153760.70342517203861628228.37226121022464.33417261628253627
2019LAN6226324018238640.59261721203601348030.42266713213446.8222515918182444
2020LAN27102907111270.4113778220203332.3511267000280.0004757101012
2021LAN6927823620047670.7038209203751838630.94297214024537.53123171320202923
2022ATL6526023418833700.474517820654938532.69266916150380.0511315720212337
2023BOS5118816913020580.343021714642615227.6615448110270.04491488161929
2024BOS5421819415733620.53351413171471136228.4422548031293.411917138222830
2025ANA6123621417432850.3857199181551225724.1520489313427.1139161320273326
Tot: 9313682334027115099290.55500271158284184114230127834.713971046232825255684.44633186256162240337376391
G: Games ... PA: Plate Appearances ... AB: At Bats ... Outs: Outs ... GO: Groundouts ... AO: Air Outs ... ratio: Groundouts/Airouts ... FLY: Flyballs ... LO: Lineouts ... POP: Popouts ... OUT_IF: Infield Outs ... OUT_OF: Outfield Outs ... OUT_PR: Productive Outs ... RBI_OUT: RBIs on outs ... SO: Strikeouts ... SO%: Strikeout% ... SO3: Struck out on 3 pitches ... SW: Strikeouts swinging ... CAL: Strikeouts looking ... FC: Reached on fielders choice ... FO: Reached on forceout ... GDP: Grounded into Double Play ... OPP: Double play opportunities ... GDP%: Grounded into double play% ... LOC1-9: Balls hit to position location

Baserunning - Pitching

CSV
Glossary
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yearteamsgpaabsbsb2sb3sbhdisb%cscs2cs3cshpthrpckffwppbadv_outoobonbsrrs%inh-rinh-s%beq-rbeq-s%
2010LAN251099255001100.0000019021031412.906350.005120.00
2011LAN5021818966003100.00000310011581627.592114.768225.00
2012LAN6525222654015100.00000190211602135.0012433.334125.00
2013LAN7529227177001177.82200240292741520.2713215.3833100.00
2014LAN682682466600875.022002603121772431.1713538.468112.50
2015LAN5420018855009100.000001100131472042.5511654.55100.00
2016LAN712512344400680.01100200190491530.611417.14100.00
2017LAN65258248118306100.00000170230561526.7920420.00200.00
2018LAN6928926911101010100.000003610130793139.2412325.0000--
2019LAN622632401211103100.000003603142803341.2515533.3300--
2020LAN271029022005100.0000013001231825.81600.002150.00
2021LAN6927823698105100.000002805140781823.0816212.506116.67
2022ATL652602341010001183.32200150140752837.335360.00200.00
2023BOS51188169121200275.0440070142612032.797114.293266.67
2024BOS542181949720475.033001904112631726.98700.0033100.00
2025ANA612362141312109100.00000301064651827.697228.5722100.00
Tot: 93136823340127117919890.11414003512261161898430330.791854222.70501734.00
G: Games ... PA: Plate Appearances ... AB: At Bats ... SB: Stolen Bases ... SB2: Steals of 2b ... SB3: Steals of 3b ... SBH: Steals of home ... DI: Advanced on defensive indifference ... SB%: Stolen base % ... CS: Caught stealing ... CS2: Caught stealing 2b ... CS3: Caught stealing 3b ... CSH: Caught stealing home ... PTHR: Pickoff throws ... PCKFF: Picked off ... WPPB: Advancement on wild pitch or passed ball ... ADV_OUT: Runner advanced on out ... OOB: Out on bases ... onbs Runners on base ... R: Runs scored ... RS%: % of times on base run scored ... inh-r Inherited runners ... inhr-s Inherited runners scored ... beq-r Bequeathed runners (runners on base when leaving game) ... beq-s Bequeathed runners scored ... % % related to prior 2 columns

Pitches - Pitching

CSV
Glossary
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yearteamsgpaabpitstrbalfouswcalinplayswingscontp-pastr%bal%swng%cont%fou%play%fpsfpswfpsw%fpipfpip%gbairgb%
2010LAN2510992484295189846980522151364.4460.9539.0544.463.317.3610.7572119.365.519330.58
2011LAN50218189982630352178161189944412724.5064.1535.8544.961.718.139.61304721.673.227670.40
2012LAN6525222610527043481961502231284813244.1766.9233.0845.767.418.6312.21534819.072.842870.48
2013LAN7529227112448513932621842301606214224.2668.4131.5949.968.021.0612.91867726.4206.862980.63
2014LAN6826824610587423162301771741485683783.9570.1329.8753.766.521.7414.01808933.2249.054940.57
2015LAN542001887955762191901331311104453003.9872.4527.5556.067.423.9013.81396733.5147.040700.57
2016LAN7125123410017232782411701601345633753.9972.2327.7756.266.624.0813.41719136.3218.444900.49
2017LAN6525824810137462672181841891405573583.9373.6426.3655.064.321.5213.81888834.1249.355840.65
2018LAN6928926911447753692381541821885934263.9667.7432.2651.871.820.8016.418910134.93311.4681200.57
2019LAN6226324010687413272251701691635723884.0669.3830.6253.667.821.0715.31799034.2155.7591040.57
2020LAN27102904443001441066765572351634.3567.5732.4352.969.423.8712.8673231.454.915420.36
2021LAN6927823610877133742041641761545373583.9165.5934.4149.466.718.7714.21728731.3259.058950.61
2022ATL6526023410066903162161161831515073673.8768.5931.4150.472.421.4715.01768633.12610.0461050.44
2023BOS51188169728490238150961141173762673.8767.3132.6951.671.020.6016.11236434.0179.025920.27
2024BOS54218194807538269154931421353962893.7066.6733.3349.173.019.0816.71467132.62712.442930.45
2025ANA612362148796072722031081201594873623.7269.0630.9455.474.323.0918.11499038.1239.7451140.39
Tot: 93136823340147921012146713095219625272090759451854.0268.4231.5851.368.320.9214.12405114931.22948.070113880.51
G: Games ... PA: Plate Appearances ... AB: At bats ... PIT: Pitches ... STR: Strikes ... BAL: Balls ... FOU: Fouls ... SW: Swing and miss ... CAL: Called strikes ... INPLAY: Balls put in play ... SWINGS: Total swings ... CONT: Contacts ... P-PA: Pitches per plate appearance ... STR%: Strikes% ... Ball%: Balls% ... SWNG%: Swing % ... CONT%: Contact% (per swing) ... FOU%: Foul ball% ... PLAY: Ball in Play% ... FPS: First pitch strikes ... FPSW: First pitch swings ... FPSW%: First pitch swing%... FPIP: First pitches in play ... FPIP%: First pitches in play% ... RUNGO: Runners going while batting ... HIT_RUN: Hit and Runs ... GB Ground balls ... Air Balls in air ... GB% Groundball%

Games - Batting

CSV
Glossary
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yearteamsggscggfphprdrgs%cg%exit phexit prexit drln1ln2ln3ln4ln5ln6ln7ln8ln9pos-ppos-cpos-1bpos-2bpos-3bpos-sspos-lfpos-cfpos-rfpos-dh
2010LAN26021010250.0--201400000000225000000000
2013LAN75073100750.0--004400000100075000000000
2014LAN68033900680.0--022700001000068000000000
2017LAN65014700650.0--001800000200265000000000
2019LAN62023900620.0--022110000000062000000000
2021LAN95018500950.0--109025146663695000000000
Tot: 391016251103900.0--341331251596640390000000000
G: Games ... GS: Games Started ... CG: Completed Games ... GF: Games Finished ... PH: Pinch Hitter ... PR: Pinch Runner ... DR: Defensive Replacement ... GS%: Games Started % ... CG: Complete Games% ... EXIT PH: Exited for Pinch Hitter ... exit PR: Exited for Pinch Runner ... exit DR: Exited for defensive replacement ... ln1-9: Lineup Slots 1-9 ... Games at position

On Base - Batting

CSV
Glossary
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yearteamsgpaabonbsonbs2obpobp2hbbhbproefcfocisgldbltplhrifhbntb-hph_hph_hrhr1hr2hr3hr4iphrrbihr-rbihr-rbi%rbi2bb4bb1opronbrrbi%oppconvconv%ldofobld-ob%lastwohwohr
2010LAN2621221.0001.00011000001000000100000000--000110.0300.0000--000
2013LAN751100.000.00000000000000000000000000--000120.0500.0000--000
2014LAN681100.000.00000000000000000000000000--000120.0500.0000--000
2017LAN654422.500.500200000011001100000000100.001003425.011327.2700--000
2019LAN621100.000.00000000000000000000000000--000110.0300.0000--000
2021LAN951100.000.00000000000000000000000000--000120.0500.0000--000
Tot: 39110942.400.400310000021001101000000100.001008128.33239.3800--000
G: Games ... PA: Plate Appearances ... AB: At Bats ... ONBS: On base (H+BB+HBP) ... ONBS2: All On Base (H+BB+HBP+ERROR+FC+FO) ... OBP: On Base Percentage ... OBP2: On Base Percentage for ONBS2 ... H: Hits ... BB: Walks ... HBP: Hit by Pitch ... ROE: Reached on Error ... FC: Fielder`s Choice ... FO: Forceouts ... CI: Catcher`s Interference ... SGL: Singles ... DBL: Doubles ... TPL: Triples ... HR: Home Runs ... IFH: Infield Hits ... BNT: Bunts ... B-H: Bunt hits ... PH-H: Pinch Hits ... PH-HR: Pinch hit home runs ... HR1: Solo home runs ... HR2: 2-run Homers ... HR3: 3-run Homers ... HR4: Grand Slams ... IPHR: Inside the park homers ... RBI: Runs batted in ... HR-RBI: RBIS on Home Runs ... HR-RBI%: % of RBIs on Home Runs ... RBI2: Runs batted in on outs ... BB4: Walks on 4 pitches ... BB1OP: Walks with 1st base open ... RON: PA with runners on ... BR: # of Baserunners ... RBI%: % of opportunities with RBI ... OPP: RBI Opportunities Points ... CONV: RBIs points converted ... CONV%: Converted% ... LDOF: Leadoff ... OB: Leadoff onbase ... LD-OB%: Leadoff onbase% ... LAST: Last batter of game ... WOH: Walk-off Hits ... WOHR: Walk-off Home Runs

Outs - Batting

CSV
Glossary
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yearteamsgpaaboutsgoaoratioflylopopout_ifout_ofout_prrbi_outsoso%so3swcalfcfogdpoppgdp%loc1loc2loc3loc4loc5loc6loc7loc8loc9
2010LAN2621000--000200000.0000000010.0000000010
2013LAN7511110--000010000.000000000--100000000
2014LAN6811100--00010001100.000100000--000000000
2017LAN6544220--000220000.00000001250.0101001010
2019LAN6211100--00010001100.0000100010.0000000000
2021LAN9511100--00010001100.000100000--000000000
Tot: 391109630--0007300330.00021001425.0201001020
G: Games ... PA: Plate Appearances ... AB: At Bats ... Outs: Outs ... GO: Groundouts ... AO: Air Outs ... ratio: Groundouts/Airouts ... FLY: Flyballs ... LO: Lineouts ... POP: Popouts ... OUT_IF: Infield Outs ... OUT_OF: Outfield Outs ... OUT_PR: Productive Outs ... RBI_OUT: RBIs on outs ... SO: Strikeouts ... SO%: Strikeout% ... SO3: Struck out on 3 pitches ... SW: Strikeouts swinging ... CAL: Strikeouts looking ... FC: Reached on fielders choice ... FO: Reached on forceout ... GDP: Grounded into Double Play ... OPP: Double play opportunities ... GDP%: Grounded into double play% ... LOC1-9: Balls hit to position location

Baserunning - Batting

CSV
Glossary
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yearteamsgpasbsb2sb3sbhdisb%cscs2cs3cshs12s13s23s2hd13d1hadvxadv_oppadv_pctpthrpckffwppbadv_outoobronbsrun%
2010LAN26200000--00001001001250.0000001250.00
2013LAN75100000--000000000000--0000000--
2014LAN68100000--000000000000--0000000--
2017LAN65400000--000000000000--00000020.00
2019LAN62100000--000000000000--0000000--
2021LAN95100000--000000000000--0000000--
Tot: 3911000000--00001001001250.0000001425.00
G: Games ... PA: Plate Appearances ... AB: At Bats ... SB: Stolen Bases ... SB2: Steals of 2b ... SB3: Steals of 3b ... SBH: Steals of home ... DI: Advanced on defensive indifference ... SB%: Stolen base % ... CS: Caught stealing ... CS2: Caught stealing 2b ... CS3: Caught stealing 3b ... CSH: Caught stealing home ... S12: Advanced from 1st to 2nd on singled... S13: Advanced from 1st to 3rd on single ... S23: Advanced from 2nd to 3rd on single ... S2H: Scored from 2nd on single ... D13: Advanced from 1nd to 3rd on double ... D1H: Scored from 1st on double ... ADVX: Advanced an extra base on hit ... ADV-OPP Advancement opportunities on hits ... ADV_PCT: Advanced extra base % ... PTHR: Pickoff throws ... PCKFF%: Picked off ... WPPB: Advanced on wild pitch or passed ball ... ADV_OUT: Advanced on out ... OOB: Out on bases ... R: Runs scored ... ONBS: On base ... RUN%: % of times on base run scored

Pitches - Batting

CSV
Glossary
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yearteamsgpapitstrbalfouswcalinplayswingscontp-pastr%bal%swng%cont%fou%play%fpsfpswfpsw%fpipfpip%rungohit_rungbairgb%
2010LAN26211471021225.5036.3663.6418.2100.09.099.10150.000.00010--
2013LAN7512200011112.00100.000.0050.0100.00.0050.001100.000.00010--
2014LAN6814312100324.0075.0025.0075.066.750.000.011100.000.00000--
2017LAN6547701104751.75100.000.00100.071.414.2957.144100.0125.000313.00
2019LAN6216330030006.0050.0050.000.0--0.000.001100.000.00000--
2021LAN9514310300304.0075.0025.0075.00.00.000.011100.000.00000--
Tot: 39110342212456616103.4064.7135.2947.162.511.7617.66990.0110.000515.00
G: Games ... PA: Plate Appearances ... PIT: Pitches ... STR: Strikes ... BAL: Balls ... FOU: Fouls ... SW: Swing and miss ... CAL: Called strikes ... INPLAY: Balls put in play ... SWINGS: Total swings ... CONT: Contacts ... P-PA: Pitches per plate appearance ... STR%: Strikes% ... Ball%: Balls% ... SWNG%: Swing % ... CONT%: Contact% (per swing) ... FOU%: Foul ball% ... PLAY: Ball in Play% ... FPS: First pitch strikes ... FPSW: First pitch swings ... FPSW%: First pitch swing%... FPIP: First pitches in play ... FPIP%: First pitches in play% ... RUNGO: Runners going while batting ... HIT_RUN: Hit and Runs ... GB Ground balls ... Airballs Balls in air ... GB% Groundball%