Jonathan Loáisiga

Former Prospect Active on MLB Roster ... Arizona Diamondbacks
High Level
MLB
Years
2013-2026 (2018-2026)
Proper Name
Jonathan Stanley Loaisiga
Pronunciation
loh-AYE-see-gah
Positions
P (237)
Height / Weight
5-11 / 195
Bats / Throws
Right / Right
Birthdate
November 2,1994   Age:  31.223
Drafted/Signed
Service Time
7.022 (2025)
MLB Debut
MLBAM ID
Retrosheet#
loaij001
Show More
[2023] Played for Nicaragua in World Baseball Classic

Games - Pitching

CSV
Glossary
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yearteamsggscggrgfwlwpcttm-wtm-ltm-w%holdsvblsvgs%cg%inn1inn2inn3inn4inn5inn6inn7inn8inn9inn10inn11inn12innxip-sip-ravg_stavg_rellmiemigsc1gsc2
2018NYA94052201.00054.55600044.40.0455531211000018.06.24.51.34053.7554.75
2019NYA154011322.50087.53310026.70.0544315452000012.019.23.01.81342.2539.25
2020NYA123092301.00084.66730125.00.033411443101108.114.22.81.63248.6748.00
2021NYA570057894.6923918.68418530.0--00015183025510000.070.2--1.2826
2022NYA500050923.4002822.56010210.0--0000252030700010.048.0--1.01321
2023NYA170017402.000413.2355000.0--00001269310000.017.2--1.007
2024NYA30030101.000301.0001000.0--00000220100000.04.0--1.311
2025NYA300030001.0001812.6009110.0--0000415117211000.029.2--1.01013
Tot: 193110182281912.61311380.58547865.70.0121213101752798022321138.3211.03.51.2407348.1847.27
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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2018NYA9108963842.352.389261200040167032002100010440.0010557010.0
2019NYA151391184851.345.367311610030187064004200018844.4433669412.8
2020NYA12100873240.320.40021742040126032102100012433.3311436813.2
2021NYA572832607596.265.33956163331404661311301110020630.00131311948.8
2022NYA502031846277.305.3794319022110382036101020020735.002210116110.6
2023NYA1769641721.246.3041412004011102100200009222.2200294615.2
2024NYA3201988.400.4007100000700020000000100.000011166.3
2025NYA301351214752.348.385341031210198074105200023939.1301659916.2
Tot: 193105794932740.309.3662328213874101673712732601773001134035.4081050174811.5
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
2018NYA9108961225122.085437731703330.5652940443312.1204125109714
2019NYA15139118323270.85145810831543726.62926110343112.921411710131320
2020NYA1210087927161.69121370301202222.0061750432313.050313581289
2021NYA5728326020086461.87261371801032626924.3816531631475712.312414233628282024
2022NYA5020318413765351.8614912123802513718.239251221165211.513013141929151524
2023NYA1769645028161.7593437326268.70033041128.3502610101078
2024NYA3201912632.0011113730315.0022100020.0212103322
2025NYA301351218635261.35134990451012518.5292052121711.8938714917712
Tot: 19310579495092951811.63944047698359941023221.9556175577412722711.950950879610710779113
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%
2018NYA91089622000100.00000140060421126.1900--8675.00
2019NYA1513911844000100.000001501100511835.293266.67300.00
2020NYA1210087000000.0110080080401230.004250.00500.00
2021NYA5728326033000100.000003416103962020.8333618.1813430.77
2022NYA5020318433000100.000001000141772127.2726519.2314964.29
2023NYA17696411000100.0000040060211047.629333.3300--
2024NYA3201900000--0000000108112.5011100.00100.00
2025NYA301351211100050.0110030182522548.08191052.631100.00
Tot: 1931057949141400087.52200881863638711830.49952930.53551934.55
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%
2018NYA9108964993201791076576632441704.6264.1335.8748.969.721.4412.6683027.865.633301.10
2019NYA151391185923672259383101852661784.2661.9938.0144.966.915.7114.4883726.675.034510.67
2020NYA1210087395261134774075661861433.9566.0833.9247.176.919.4916.7642323.066.035311.13
2021NYA5728326010867373492201511621955754153.8467.8632.1452.972.220.2618.01739332.92910.2120751.60
2022NYA50203184771503268141891161473872883.8065.2434.7650.274.418.2919.11267737.9178.488591.49
2023NYA17696424116477491835601291093.4968.0531.9553.584.520.3324.9392536.21217.433271.22
2024NYA32019614417115121632273.0572.1327.8752.584.418.0326.215735.0315.0971.29
2025NYA30135121478314164865965972491833.5465.6934.3152.173.517.9920.3875238.51914.148481.00
Tot: 1931057949412327101413784510642729206815133.9065.7334.2750.273.219.0217.766034432.5999.44003281.22
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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2018NYA910200811.10.00070000000019000000000
Tot: 910200811.10.00070000000019000000000
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
2018NYA92200.000.00000000000000000000000000--000110.0100.00100.00000
Tot: 92200.000.00000000000000000000000000--000110.0100.00100.00000
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
2018NYA922200--00020002100.002200000--000000000
Tot: 922200--00020002100.002200000--000000000
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%
2018NYA9200000--000000000000--0000000--
Tot: 9200000--000000000000--0000000--
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%
2018NYA927703220533.50100.000.0071.460.042.860.002100.000.00000--
Tot: 927703220533.50100.000.0071.460.042.860.002100.000.00000--
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%