Skip Navigation to Main Content

Jacob Lopez or Kumar Rocker

Baseball Stats Comparison


See which player would win in a trade View Trade Analyzer

Jacob Lopez or Kumar Rocker Player Statistics
  Jacob Lopez
SP - ATH
Jacob Lopez
Kumar Rocker
SP - TEX
Kumar Rocker
2026 Stats 
   
   
Games Played1213
   
Games Started1012
   
Innings Pitched50.265.2
   
Wins42
   
Losses35
   
Saves00
   
Blown Saves00
   
Holds10
   
Hits Allowed5959
   
Earned Runs3826
   
Home Runs Allowed116
   
Strikeouts3852
   
Walks3328
   
ERA6.753.56
   
WHIP1.821.32
   
Jacob Lopez or Kumar Rocker Player Projections
  Jacob Lopez
SP - ATH
Jacob Lopez
Kumar Rocker
SP - TEX
Kumar Rocker
2026 Projections 
   
   
Games Played2428
   
Games Started2316
   
Innings Pitched122.095.7
   
Wins75
   
Losses86
   
Saves00
   
Blown Saves00
   
Holds01
   
Hits Allowed10994
   
Earned Runs5746
   
Home Runs Allowed1813
   
Strikeouts12886
   
Walks4831
   
ERA4.204.29
   
WHIP1.291.31
   
Jacob Lopez or Kumar Rocker Player Notes
  Jacob Lopez
SP - ATH
Jacob Lopez
Kumar Rocker
SP - TEX
Kumar Rocker
News 
 The Athletics have optioned left-hander Jacob Lopez to Triple-A Las Vegas.
Brenton Kemp
Tue, Jun 2nd
Rocker has a 3.56 ERA, 1.34 WHIP, and 52:28 K:BB across 65.2 innings over 13 appearances this season. Thursday marked the first time since May 8 that he failed to complete five innings, ending a stretch of consistent length.
Bruno Mulé
Fri, Jun 12th
 Jacob Lopez told reporters after Sunday's game that he is being optioned to Triple-A.
Ari Koslow
Sun, May 31st
Rocker has a 1.88 ERA and 1.12 WHIP across 28.2 innings over his last five starts, allowing two earned runs or fewer in four of them. He faces Kansas City on the road next week — the last time he pitched against the Royals, on May 30, he threw six scoreless innings.
Bruno Mulé
Sat, Jun 6th
  Jacob Lopez allowed one earned run on six hits and one walk while striking out three over 4 2/3 innings in Sunday's win over the Padres.
Chris Schommer
Mon, May 25th
Rocker has a 3.54 ERA, 1.32 WHIP, and 44:25 K:BB across 56 innings this season and lines up for a home start against Cleveland next weekend. Saturday marked his fourth quality start of 2026, though he didn't get credit for the win after leaving with a 3-0 lead that the bullpen couldn't protect.
Bruno Mulé
Sun, May 31st
 The Athletics have left Sunday's probable starter as TBA.
Ari Koslow
Fri, May 22nd
Kumar Rocker allowed four earned runs on four hits and two walks while striking out five over five innings in Monday's 9-0 loss to the Astros.
Chris Schommer
Tue, May 26th
 Jacob Lopez allowed four earned runs on seven hits and three walks while striking out two over 3 2/3 innings in Tuesday’s win over the Angels.
Chris Schommer
Wed, May 20th
Kumar Rocker three hits and three walks while striking out seven over 7 2/3 scoreless innings in Tuesday's win over the Rockies.
Chris Schommer
Wed, May 20th
Notes 
There are no recent notes for these players
Jacob Lopez or Kumar Rocker Player Schedules
  Jacob Lopez
SP - ATH
Jacob Lopez
Kumar Rocker
SP - TEX
Kumar Rocker
Date OppOpp PitcherVBROppOpp PitcherVBR
Fri, Mar 27th@ TORKevin Gausman (4-4)#19   
Sat, Mar 28th@ TORDylan Cease (3-3)#10@ PHIAaron Nola (3-4)#39
Sun, Mar 29th@ TOREric Lauer (2-5)#266@ PHIJesus Luzardo (5-4)#11
Mon, Mar 30th@ ATLBryce Elder (5-3)#105@ BALChris Bassitt (4-4)#163
Tue, Mar 31st@ ATLJose Suarez#185@ BALZach Eflin (0-0)
Wed, Apr 1st@ ATLChris Sale (8-5)#5@ BALTrevor Rogers (3-6)#96
Fri, Apr 3rdvs HOUCristian Javier (0-1)#232vs CINBrady Singer (2-6)#151
Sat, Apr 4thvs HOUTatsuya Imai (3-3)#132vs CINRhett Lowder (3-3)#184
Sun, Apr 5thvs HOULance McCullers Jr. (2-3)#233vs CINChase Burns (7-1)#24
Tue, Apr 7th@ NYYCam Schlittler (7-3)#35vs SEAGeorge Kirby (5-6)#16
Wed, Apr 8th@ NYYWill Warren (7-1)#64vs SEABryan Woo (5-5)#7
Thu, Apr 9th@ NYYRyan Weathers (2-5)#77   
Fri, Apr 10th@ NYMClay Holmes (4-4)#162@ LADTyler Glasnow (3-0)#38
Sat, Apr 11th@ NYMKodai Senga (0-4)#117@ LADEmmet Sheehan (3-3)#47
Sun, Apr 12th@ NYMFreddy Peralta (4-5)#26@ LADRoki Sasaki (3-4)#104
Mon, Apr 13thvs TEXNathan Eovaldi (5-7)#21@ ATHLuis Severino (2-6)#178
Tue, Apr 14thvs TEXMacKenzie Gore (4-5)#53@ ATHJeffrey Springs (3-6)#119
Wed, Apr 15thvs TEXKumar Rocker (2-5)#98@ ATHJ.T. Ginn (4-3)#106
Thu, Apr 16thvs TEXJack Leiter (3-6)#78@ ATHJacob Lopez (4-3)#236
Fri, Apr 17thvs CWSDavis Martin (9-2)#67@ SEALogan Gilbert (4-4)#13
Sat, Apr 18thvs CWSErick Fedde (1-5)#375@ SEAGeorge Kirby (5-6)#16
Sun, Apr 19thvs CWSNoah Schultz (2-4)#216@ SEABryan Woo (5-5)#7
Mon, Apr 20th@ SEAEmerson Hancock (5-2)#74   
Tue, Apr 21st@ SEALuis Castillo (2-6)#45vs PITCarmen Mlodzinski (4-3)#130
Wed, Apr 22nd@ SEALogan Gilbert (4-4)#13vs PITBraxton Ashcraft (5-3)#31
Fri, Apr 24th@ TEXNathan Eovaldi (5-7)#21vs ATHLuis Severino (2-6)#178
Sat, Apr 25th@ TEXMacKenzie Gore (4-5)#53vs ATHJeffrey Springs (3-6)#119
Sun, Apr 26th@ TEXKumar Rocker (2-5)#98vs ATHJ.T. Ginn (4-3)#106
Tue, Apr 28thvs KCKris Bubic (3-2)#92vs NYYCam Schlittler (7-3)#35
Wed, Apr 29thvs KCMichael Wacha (4-5)#89vs NYYElmer Rodriguez (0-1)#286
Thu, Apr 30thvs KCNoah Cameron (3-4)#82   
Fri, May 1stvs CLEJoey Cantillo (5-3)#113@ DETJack Flaherty (1-8)#65
Sat, May 2ndvs CLESlade Cecconi (3-5)#100@ DETKeider Montero (3-4)#179
Sun, May 3rdvs CLEParker Messick (6-3)#51@ DETTyler Holton (1-4)#137
Tue, May 5th@ PHICristopher Sanchez (8-2)#4@ NYYElmer Rodriguez (0-1)#286
Wed, May 6th@ PHIZack Wheeler (5-1)#9@ NYYWill Warren (7-1)#64
Thu, May 7th@ PHIAndrew Painter (1-7)#186@ NYYPaul Blackburn (2-1)#214
Fri, May 8th@ BALKyle Bradish (3-7)#44vs CHCBen Brown (3-2)#30
Sat, May 9th@ BALShane Baz (4-6)#83vs CHCEdward Cabrera (4-3)#71
Sun, May 10th@ BALKeegan Akin (0-0)#192vs CHCJameson Taillon (2-5)#126
Tue, May 12thvs STLAndre Pallante (7-4)#135vs ARIZac Gallen (3-5)#76
Wed, May 13thvs STLMatthew Liberatore (3-3)#99vs ARIRyne Nelson (2-5)#94
Thu, May 14thvs STLMichael McGreevy (3-5)#84   
Fri, May 15thvs SFTyler Mahle (1-7)#131@ HOUSpencer Arrighetti (7-1)#122
Sat, May 16thvs SFTrevor McDonald (2-4)#138@ HOUKai-Wei Teng (3-5)#194
Sun, May 17thvs SFAdrian Houser (2-6)#191@ HOUPeter Lambert (5-4)#217
Mon, May 18th@ LAAWalbert Urena (4-4)#345@ COLJose Quintana (2-3)#433
Tue, May 19th@ LAAReid Detmers (2-5)#33@ COLSammy Peralta#402
Wed, May 20th@ LAAJack Kochanowicz (2-5)@ COLKyle Freeland (1-7)#341
Thu, May 21st@ LAAJose Soriano (8-4)#52   
Fri, May 22nd@ SDWalker Buehler (3-3)#212@ LAAGrayson Rodriguez (2-2)#85
Sat, May 23rd@ SDLucas Giolito (2-1)#197@ LAAWalbert Urena (4-4)#345
Sun, May 24th@ SDMichael King (4-5)#41@ LAAReid Detmers (2-5)#33
Mon, May 25thvs SEALuis Castillo (2-6)#45vs HOUTatsuya Imai (3-3)#132
Tue, May 26thvs SEAEmerson Hancock (5-2)#74vs HOUJason Alexander (1-1)#339
Wed, May 27thvs SEALogan Gilbert (4-4)#13vs HOUMike Burrows (3-8)#168
Fri, May 29thvs NYYCarlos Rodon (2-2)#34vs KCStephen Kolek (3-1)#157
Sat, May 30thvs NYYRyan Weathers (2-5)#77vs KCSeth Lugo (2-4)#107
Sun, May 31stvs NYYWill Warren (7-1)#64vs KCMichael Wacha (4-5)#89
Tue, Jun 2nd@ CHCJameson Taillon (2-5)#126@ STLDustin May (4-6)#66
Wed, Jun 3rd@ CHCColin Rea (5-4)#158@ STLAndre Pallante (7-4)#135
Thu, Jun 4th@ CHCShota Imanaga (4-6)#25   
Fri, Jun 5th@ HOUPeter Lambert (5-4)#217vs CLEParker Messick (6-3)#51
Sat, Jun 6th@ HOUTatsuya Imai (3-3)#132vs CLETanner Bibee (2-7)#40
Sun, Jun 7th@ HOUMike Burrows (3-8)#168vs CLEJoey Cantillo (5-3)#113
Mon, Jun 8thvs MILKyle Harrison (7-1)#49   
Tue, Jun 9thvs MILRobert Gasser (0-3)#170@ KCStephen Kolek (3-1)#157
Wed, Jun 10thvs MILBrandon Sproat (1-4)#150@ KCSeth Lugo (2-4)#107
Fri, Jun 12thvs COLSean Sullivan (0-0)#374@ BOSSonny Gray (8-1)#32
Sat, Jun 13thvs COLKyle Freeland (1-7)#341@ BOSRanger Suarez (2-3)#22
Sun, Jun 14thvs COLTomoyuki Sugano (6-4)#434@ BOSConnelly Early (5-4)#88
Mon, Jun 15thvs PITJared Jones (1-0)#72vs MINMike Paredes (0-0)#289
Tue, Jun 16thvs PITMitch Keller (5-4)#102vs MINZebby Matthews (2-4)#87
Wed, Jun 17thvs PITBraxton Ashcraft (5-3)#31   
Thu, Jun 18thvs LAAJose Soriano (8-4)#52vs MINJoe Ryan (4-3)#15
Fri, Jun 19thvs LAAGrayson Rodriguez (2-2)#85vs SDRandy Vasquez (6-4)#207
Sat, Jun 20thvs LAAWalbert Urena (4-4)#345vs SDWalker Buehler (3-3)#212
Sun, Jun 21stvs LAAReid Detmers (2-5)#33vs SDLucas Giolito (2-1)#197
Tue, Jun 23rd@ SF@ MIA
Wed, Jun 24th@ SF@ MIA
Thu, Jun 25th@ SF@ TOR
Fri, Jun 26th@ LAA@ TOR
Sat, Jun 27th@ LAA@ TOR
Sun, Jun 28th@ LAA@ TOR
Mon, Jun 29thvs LAD@ CLE
Tue, Jun 30thvs LAD@ CLE
Wed, Jul 1stvs LAD@ CLE
Fri, Jul 3rdvs MIA   
Sat, Jul 4thvs MIAvs DET
Sun, Jul 5thvs MIAvs DET
Tue, Jul 7th@ DETvs LAA
Wed, Jul 8th@ DETvs LAA
Thu, Jul 9th@ DETvs LAA
Fri, Jul 10th@ CWSvs HOU
Sat, Jul 11th@ CWSvs HOU
Sun, Jul 12th@ CWSvs HOU
Fri, Jul 17thvs WSH@ ATL
Sat, Jul 18thvs WSH@ ATL
Sun, Jul 19thvs WSH@ ATL
Mon, Jul 20th@ ARIvs CWS
Tue, Jul 21st@ ARIvs CWS
Wed, Jul 22nd@ ARIvs CWS
Fri, Jul 24th@ MINvs SEA
Sat, Jul 25th@ MINvs SEA
Sun, Jul 26th@ MINvs SEA
Mon, Jul 27thvs BOSvs SEA
Tue, Jul 28thvs BOS@ TB
Wed, Jul 29thvs BOS@ TB
Thu, Jul 30thvs BOS@ TB
Fri, Jul 31stvs DET@ HOU
Sat, Aug 1stvs DET@ HOU
Sun, Aug 2ndvs DET@ HOU
Tue, Aug 4th@ CINvs SF
Wed, Aug 5th@ CINvs SF
Thu, Aug 6th@ CIN   
Fri, Aug 7th@ BOSvs BAL
Sat, Aug 8th@ BOSvs BAL
Sun, Aug 9th@ BOSvs BAL
Mon, Aug 10thvs TB@ LAA
Tue, Aug 11thvs TB@ LAA
Wed, Aug 12thvs TB@ LAA
Fri, Aug 14thvs TEX@ ATH
Sat, Aug 15thvs TEX@ ATH
Sun, Aug 16thvs TEX@ ATH
Mon, Aug 17th@ KC   
Tue, Aug 18th@ KCvs WSH
Wed, Aug 19th@ KCvs WSH
Thu, Aug 20th@ KCvs WSH
Fri, Aug 21st@ HOUvs LAA
Sat, Aug 22nd@ HOUvs LAA
Sun, Aug 23rd@ HOUvs LAA
Mon, Aug 24thvs MIN@ CWS
Tue, Aug 25thvs MIN@ CWS
Wed, Aug 26thvs MIN@ CWS
Fri, Aug 28thvs BAL@ MIL
Sat, Aug 29thvs BAL@ MIL
Sun, Aug 30thvs BAL@ MIL
Mon, Aug 31st@ TEXvs ATH
Tue, Sep 1st@ TEXvs ATH
Wed, Sep 2nd@ TEXvs ATH
Thu, Sep 3rd@ SEAvs TB
Fri, Sep 4th@ SEAvs TB
Sat, Sep 5th@ SEAvs TB
Sun, Sep 6th@ SEAvs TB
Mon, Sep 7thvs TOR   
Tue, Sep 8thvs TOR@ SEA
Wed, Sep 9thvs TOR@ SEA
Fri, Sep 11thvs SEA@ ARI
Sat, Sep 12thvs SEA@ ARI
Sun, Sep 13thvs SEA@ ARI
Tue, Sep 15th@ TBvs BOS
Wed, Sep 16th@ TBvs BOS
Thu, Sep 17th@ TBvs BOS
Fri, Sep 18th@ CLEvs TOR
Sat, Sep 19th@ CLEvs TOR
Sun, Sep 20th@ CLEvs TOR
Tue, Sep 22ndvs LAAvs NYM
Wed, Sep 23rdvs LAAvs NYM
Thu, Sep 24thvs HOUvs NYM
Fri, Sep 25thvs HOU@ MIN
Sat, Sep 26thvs HOU@ MIN
Sun, Sep 27thvs HOU@ MIN
Thu, Mar 26th   @ PHICristopher Sanchez (8-2)#4
Mon, Apr 6th   vs SEALogan Gilbert (4-4)#13
Thu, Apr 23rd   vs PITBubba Chandler (2-7)#123
Mon, Apr 27th   vs NYYMax Fried (4-3)#36
Mon, May 11th   vs ARIMichael Soroka (8-3)#58
Thu, May 28th   vs HOUSpencer Arrighetti (7-1)#122
Mon, Jun 1st   @ STLMichael McGreevy (3-5)#84
Thu, Jun 11th   @ KCMichael Wacha (4-5)#89
Mon, Jun 22nd   @ MIASandy Alcantara (6-4)#62
Thu, Jul 2nd   vs DET
Mon, Aug 3rd   vs SF
Thu, Aug 13th   @ LAA
Thu, Sep 10th   @ SEA