RileyO'Brien
- St. Louis Cardinals
- #61
- Relief Pitcher
- HT/WT1.93 m, 81 kg
- Birthdate6/2/1995 (31)
- BAT/THRRight/Right
- BirthplaceSeattle, WA
- StatusActive
2026 Splits
| Overall |
| All Splits |
| Opponent Batting |
| All Splits |
| Breakdown |
| Home |
| Away |
| Day |
| Night |
| Right / Left |
| vs. Left |
| vs. Right |
| Day / Month |
| March |
| April |
| May |
| June |
| July |
| August |
| September |
| Last 7 Days |
| Last 15 Days |
| Last 30 Days |
| Opponent |
| vs. ARI |
| vs. ATL |
| vs. BAL |
| vs. BOS |
| vs. CHC |
| vs. CHW |
| vs. CIN |
| vs. CLE |
| vs. COL |
| vs. DET |
| vs. HOU |
| vs. KC |
| vs. LAA |
| vs. LAD |
| vs. MIA |
| vs. MIL |
| vs. MIN |
| vs. NYM |
| vs. NYY |
| vs. OAK |
| vs. PHI |
| vs. PIT |
| vs. SD |
| vs. SF |
| vs. SEA |
| vs. TB |
| vs. TEX |
| vs. TOR |
| vs. WSH |
| Stadium |
| All Splits |
| Angel Stadium |
| AT&T Park |
| Busch Stadium II |
| Chase Field |
| Citizens Bank Park |
| Comerica Park |
| Coors Field |
| Dodger Stadium |
| Great American |
| Kauffman Stadium |
| Marlins Park |
| Minute Maid Park |
| Nationals Park |
| PETCO Park |
| PNC Park |
| Rogers Centre |
| Target Field |
| Wrigley Field |
| Yankee Stadium |
| Count |
| Count 0-0 |
| Count 0-1 |
| Count 0-2 |
| Count 1-0 |
| Count 1-1 |
| Count 1-2 |
| Count 2-0 |
| Count 2-1 |
| Count 2-2 |
| Count 3-0 |
| Count 3-1 |
| Count 3-2 |
| Batting Order |
| Batting #1 |
| Batting #2 |
| Batting #3 |
| Batting #4 |
| Batting #5 |
| Batting #6 |
| Batting #7 |
| Batting #8 |
| Batting #9 |
| Situation |
| None On |
| Runners On |
| Scoring Position |
| Bases Loaded |
| Scoring Position, 2 out |
| Inning Pitches |
| 1st Time Faced In Game |
| 2nd Time Faced In Game |
| 3rd Time Faced In Game |
| 4th+ Time Faced In Game |
| Rest (as reliever) |
| As Reliever |
| ERA | W | L | SV | SVOP | GP | GS | CG | IP | H | R | ER | HR | BB | K | OBA |
| 4.21 | 3 | 9 | 37 | 45 | 64 | 0 | 0 | 62.0 | 52 | 34 | 29 | 5 | 29 | 62 | .230 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 226 | 34 | 52 | 10 | 0 | 5 | 39 | 29 | 10 | 62 | 4 | 0 | .230 | .342 | .341 | .683 |
| ERA | W | L | SV | SVOP | GP | GS | CG | IP | H | R | ER | HR | BB | K | OBA |
| 3.71 | 2 | 5 | 19 | 22 | 34 | 0 | 0 | 34.0 | 30 | 15 | 14 | 2 | 12 | 29 | .238 |
| 4.82 | 1 | 4 | 18 | 23 | 30 | 0 | 0 | 28.0 | 22 | 19 | 15 | 3 | 17 | 33 | .220 |
| 5.32 | 2 | 3 | 10 | 13 | 24 | 0 | 0 | 23.2 | 26 | 15 | 14 | 4 | 11 | 28 | .277 |
| 3.52 | 1 | 6 | 27 | 32 | 40 | 0 | 0 | 38.1 | 26 | 19 | 15 | 1 | 18 | 34 | .197 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 119 | 16 | 29 | 4 | 0 | 3 | 15 | 19 | 6 | 29 | 2 | 0 | .244 | .372 | .353 | .725 |
| 107 | 25 | 23 | 6 | 0 | 2 | 24 | 10 | 4 | 33 | 2 | 0 | .215 | .306 | .327 | .633 |
| ERA | W | L | SV | SVOP | GP | GS | CG | IP | H | R | ER | HR | BB | K | OBA |
| 0.00 | 1 | 0 | 1 | 1 | 3 | 0 | 0 | 3.1 | 3 | 0 | 0 | 0 | 0 | 2 | .250 |
| 1.50 | 2 | 1 | 7 | 9 | 12 | 0 | 0 | 12.0 | 8 | 3 | 2 | 0 | 1 | 15 | .186 |
| 6.30 | 0 | 1 | 6 | 8 | 10 | 0 | 0 | 10.0 | 10 | 8 | 7 | 1 | 3 | 10 | .270 |
| 5.40 | 0 | 1 | 7 | 7 | 10 | 0 | 0 | 10.0 | 9 | 6 | 6 | 1 | 7 | 7 | .237 |
| 2.16 | 0 | 1 | 5 | 6 | 9 | 0 | 0 | 8.1 | 4 | 2 | 2 | 0 | 7 | 12 | .148 |
| 5.73 | 0 | 2 | 8 | 8 | 12 | 0 | 0 | 11.0 | 10 | 7 | 7 | 1 | 5 | 8 | .238 |
| 6.14 | 0 | 3 | 3 | 6 | 8 | 0 | 0 | 7.1 | 8 | 8 | 5 | 2 | 6 | 8 | .296 |
| 6.75 | 0 | 2 | 1 | 2 | 4 | 0 | 0 | 4.0 | 4 | 4 | 3 | 2 | 3 | 5 | .267 |
| 6.14 | 0 | 3 | 3 | 6 | 8 | 0 | 0 | 7.1 | 8 | 8 | 5 | 2 | 6 | 8 | .296 |
| 9.53 | 0 | 5 | 6 | 9 | 13 | 0 | 0 | 11.1 | 17 | 15 | 12 | 3 | 9 | 10 | .354 |
| ERA | W | L | SV | SVOP | GP | GS | CG | IP | H | R | ER | HR | BB | K | OBA |
| 0.00 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 | 1 | .167 |
| 0.00 | 0 | 0 | 3 | 3 | 3 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 1 | 3 | .100 |
| 4.50 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 2.0 | 3 | 1 | 1 | 0 | 0 | 1 | .333 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 |
| 1.80 | 0 | 0 | 2 | 2 | 5 | 0 | 0 | 5.0 | 1 | 1 | 1 | 0 | 2 | 3 | .067 |
| 9.00 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 2.0 | 1 | 2 | 2 | 1 | 1 | 3 | .143 |
| 0.00 | 0 | 1 | 5 | 5 | 6 | 0 | 0 | 5.2 | 4 | 1 | 0 | 0 | 4 | 8 | .190 |
| 0.00 | 1 | 0 | 1 | 1 | 2 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 |
| 0.00 | 0 | 0 | 3 | 3 | 3 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 1 | 2 | .111 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 |
| 0.00 | 1 | 0 | 1 | 2 | 2 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 0 | 3 | .167 |
| 9.00 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2.0 | 3 | 2 | 2 | 1 | 0 | 1 | .375 |
| 13.50 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 1.1 | 2 | 2 | 2 | 0 | 3 | 4 | .333 |
| 15.43 | 0 | 1 | 2 | 3 | 3 | 0 | 0 | 2.1 | 6 | 5 | 4 | 0 | 1 | 3 | .462 |
| 0.00 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 0 | 2 | .143 |
| 0.00 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 1.2 | 1 | 0 | 0 | 0 | 0 | 1 | .167 |
| 9.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 0 | 1 | 1 | 0 | 3 | 1 | .000 |
| 0.00 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 0 | 2 | .143 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 1 | .000 |
| 0.00 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 1 | 2 | .000 |
| 32.40 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 1.2 | 5 | 6 | 6 | 1 | 1 | 1 | .500 |
| 9.00 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 2.0 | 3 | 2 | 2 | 0 | 1 | 1 | .375 |
| 6.00 | 0 | 0 | 2 | 3 | 3 | 0 | 0 | 3.0 | 2 | 2 | 2 | 1 | 1 | 4 | .182 |
| 3.00 | 0 | 1 | 1 | 2 | 3 | 0 | 0 | 3.0 | 4 | 3 | 1 | 1 | 4 | 2 | .400 |
| 18.00 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1.0 | 4 | 2 | 2 | 0 | 1 | 1 | .571 |
| 0.00 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 2.1 | 3 | 0 | 0 | 0 | 0 | 2 | .333 |
| 13.50 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 2.0 | 3 | 3 | 3 | 0 | 2 | 2 | .375 |
| 0.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | .250 |
| 0.00 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 2.0 | 0 | 1 | 0 | 0 | 0 | 2 | .000 |
| ERA | W | L | SV | SVOP | GP | GS | CG | IP | H | R | ER | HR | BB | K | OBA |
| 4.21 | 3 | 9 | 37 | 45 | 64 | 0 | 0 | 62.0 | 52 | 34 | 29 | 5 | 29 | 62 | .230 |
| 13.50 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 1.1 | 2 | 2 | 2 | 0 | 3 | 4 | .333 |
| 0.00 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1.0 | 1 | 1 | 0 | 0 | 2 | 0 | .500 |
| 3.71 | 2 | 5 | 19 | 22 | 34 | 0 | 0 | 34.0 | 30 | 15 | 14 | 2 | 12 | 29 | .238 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 1 | .333 |
| 81.00 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0.2 | 5 | 6 | 6 | 1 | 1 | 0 | .714 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 2 | .250 |
| 13.50 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 1.1 | 2 | 3 | 2 | 0 | 1 | 1 | .333 |
| 0.00 | 0 | 1 | 3 | 3 | 4 | 0 | 0 | 3.2 | 1 | 1 | 0 | 0 | 3 | 6 | .083 |
| 18.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 2 | 2 | 2 | 1 | 0 | 1 | .400 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | .250 |
| 0.00 | 1 | 0 | 1 | 2 | 2 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 0 | 3 | .167 |
| 0.00 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 2.0 | 0 | 1 | 0 | 0 | 0 | 2 | .000 |
| 9.00 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 2.0 | 2 | 2 | 2 | 1 | 0 | 4 | .250 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | .250 |
| 0.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | .250 |
| 9.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 0 | 1 | 1 | 0 | 3 | 1 | .000 |
| 0.00 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 1 | 1 | .000 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 1 | .000 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 37 | 11 | 13 | 1 | 0 | 2 | 11 | 0 | 1 | 0 | 0 | 0 | .351 | .368 | .541 | .909 |
| 14 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | .143 | .200 | .143 | .343 |
| 18 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | .111 | .111 | .167 | .278 |
| 16 | 5 | 10 | 3 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | .625 | .625 | .813 | 1.438 |
| 19 | 0 | 6 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | .316 | .350 | .421 | .771 |
| 38 | 6 | 5 | 1 | 0 | 1 | 5 | 0 | 2 | 22 | 1 | 0 | .132 | .175 | .237 | .412 |
| 4 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | .500 | .500 | .500 | 1.000 |
| 18 | 4 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | .222 | .222 | .222 | .444 |
| 35 | 7 | 4 | 1 | 0 | 1 | 7 | 0 | 2 | 20 | 0 | 0 | .114 | .158 | .229 | .386 |
| 0 | 2 | 0 | 0 | 0 | 0 | 2 | 8 | 1 | 0 | 0 | 0 | .000 | 1.000 | .000 | 1.000 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 1 | 0 | .000 | 1.000 | .000 | 1.000 |
| 27 | 4 | 4 | 1 | 0 | 1 | 4 | 14 | 2 | 9 | 0 | 0 | .148 | .465 | .296 | .761 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 21 | 6 | 8 | 1 | 0 | 1 | 6 | 0 | 1 | 2 | 0 | 0 | .381 | .409 | .571 | .981 |
| 21 | 4 | 3 | 0 | 0 | 0 | 4 | 4 | 1 | 8 | 1 | 0 | .143 | .308 | .143 | .451 |
| 25 | 8 | 9 | 3 | 0 | 2 | 8 | 3 | 1 | 4 | 1 | 0 | .360 | .433 | .720 | 1.153 |
| 31 | 2 | 6 | 1 | 0 | 0 | 1 | 3 | 2 | 10 | 1 | 0 | .194 | .306 | .226 | .531 |
| 32 | 6 | 7 | 2 | 0 | 1 | 6 | 4 | 1 | 12 | 0 | 0 | .219 | .324 | .375 | .699 |
| 33 | 3 | 8 | 0 | 0 | 0 | 3 | 3 | 1 | 7 | 1 | 0 | .242 | .324 | .242 | .567 |
| 19 | 2 | 2 | 0 | 0 | 0 | 2 | 10 | 2 | 8 | 0 | 0 | .105 | .452 | .105 | .557 |
| 26 | 6 | 5 | 2 | 0 | 1 | 5 | 1 | 1 | 7 | 0 | 0 | .192 | .250 | .385 | .635 |
| 18 | 4 | 4 | 1 | 0 | 0 | 4 | 1 | 0 | 4 | 0 | 0 | .222 | .263 | .278 | .541 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 114 | 1 | 27 | 6 | 0 | 1 | 1 | 13 | 3 | 30 | 0 | 0 | .237 | .331 | .316 | .647 |
| 112 | 40 | 25 | 4 | 0 | 4 | 38 | 12 | 7 | 32 | 4 | 0 | .223 | .333 | .366 | .699 |
| 79 | 38 | 20 | 4 | 0 | 3 | 36 | 9 | 5 | 22 | 1 | 0 | .253 | .362 | .418 | .779 |
| 9 | 11 | 3 | 1 | 0 | 0 | 10 | 1 | 1 | 1 | 0 | 0 | .333 | .455 | .444 | .899 |
| 37 | 17 | 10 | 1 | 0 | 2 | 16 | 6 | 1 | 10 | 1 | 0 | .270 | .386 | .459 | .846 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 226 | 41 | 52 | 10 | 0 | 5 | 39 | 29 | 10 | 62 | 4 | 0 | .230 | .342 | .341 | .683 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 226 | 34 | 52 | 10 | 0 | 5 | 39 | 29 | 10 | 62 | 4 | 0 | .230 | .342 | .341 | .683 |