Ryan Zeferjahn

Former Prospect Active on MLB Roster ... Los Angeles Angels
High Level
MLB
Years
2017-2026 (2024-2026)
Proper Name
Ryan Joseph Zeferjahn
Pronunciation
ZEFF-er-john
Positions
P (202)
Height / Weight
6-5 / 209
Bats / Throws
Right / Right
Birthdate
February 28,1998   Age:  28.104
High School
Seaman (Topeka,KS)
Colleges
University of Kansas (Lawrence,KS)
Drafted/Signed
Signing Bonus
$ 500,000
Service Time
1.038 (2025)
MLBAM ID
Retrosheet#
zefer001
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Games - Pitching

CSV
Glossary
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2024ANA120012400--210.1670000.0--01110157300000.017.0--1.414
2025ANA621061065.5453626.58119231.60.01011692024132001.056.01.00.9131243.0037.00
Tot: 741073465.5453836.51419231.40.011226102531432001.073.01.01.0141643.0037.00
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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2024ANA1264551517.234.2667620020610010000000400.001027439.3
2025ANA622572178794.339.36649344115029801284291110351851.435512319112.0
Tot: 7432127210217.318.34656406117035901294291110391846.156515023411.5
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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2024ANA1264554813170.769444420321828.1341710221612.5215148296
2025ANA62257217340520.7732911200571217428.7985024154478.5721317720222519
Tot: 743212725153690.77411315244771539228.66126725176639.59318181128243425
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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2024ANA12645500000--00001004017423.536116.672150.00
2025ANA6225721777001100.000002105120943638.3023730.4315213.33
Tot: 7432127277001100.0000022051601114036.0429827.5917317.65
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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2024ANA1264552161377935293038107733.3863.4336.5749.568.216.2017.6392742.21218.815230.65
2025ANA6225721710396364031831321671454693284.0461.2138.7945.169.917.6114.01507629.6238.954910.59
Tot: 7432127212557734822181611971835764013.9161.5938.4145.969.617.3714.618910332.13510.9691140.61
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%