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 |
| Last 7 Days |
| Last 15 Days |
| Last 30 Days |
| Opponent |
| vs. ARI |
| vs. ATL |
| vs. BOS |
| vs. CHC |
| vs. CIN |
| vs. CLE |
| vs. DET |
| vs. HOU |
| vs. KC |
| vs. LAA |
| vs. LAD |
| vs. MIA |
| vs. MIL |
| vs. MIN |
| vs. NYM |
| vs. OAK |
| vs. PIT |
| vs. SD |
| vs. SEA |
| vs. TB |
| vs. TEX |
| vs. TOR |
| vs. WSH |
| Stadium |
| All Splits |
| Angel Stadium |
| Busch Stadium II |
| Chase Field |
| Comerica Park |
| Great American |
| Kauffman Stadium |
| Marlins Park |
| Minute Maid Park |
| Nationals Park |
| PETCO Park |
| PNC Park |
| Rogers Centre |
| Target Field |
| Wrigley Field |
| 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 |
| 3.43 | 3 | 4 | 26 | 31 | 45 | 0 | 0 | 44.2 | 35 | 19 | 17 | 2 | 18 | 47 | .217 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 161 | 19 | 35 | 6 | 0 | 2 | 21 | 18 | 10 | 47 | 2 | 0 | .217 | .332 | .292 | .624 |
| ERA | W | L | SV | SVOP | GP | GS | CG | IP | H | R | ER | HR | BB | K | OBA |
| 3.60 | 2 | 2 | 14 | 16 | 25 | 0 | 0 | 25.0 | 23 | 10 | 10 | 0 | 8 | 22 | .245 |
| 3.20 | 1 | 2 | 12 | 15 | 20 | 0 | 0 | 19.2 | 12 | 9 | 7 | 2 | 10 | 25 | .179 |
| 3.57 | 2 | 1 | 6 | 9 | 17 | 0 | 0 | 17.2 | 17 | 7 | 7 | 2 | 7 | 24 | .250 |
| 3.33 | 1 | 3 | 20 | 22 | 28 | 0 | 0 | 27.0 | 18 | 12 | 10 | 0 | 11 | 23 | .194 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 80 | 10 | 19 | 3 | 0 | 1 | 9 | 11 | 6 | 19 | 1 | 0 | .238 | .367 | .313 | .680 |
| 81 | 13 | 16 | 3 | 0 | 1 | 12 | 7 | 4 | 28 | 1 | 0 | .198 | .293 | .272 | .565 |
| 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 |
| 0.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | .250 |
| 0.00 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 1 | 3 | .100 |
| 4.15 | 0 | 1 | 1 | 2 | 5 | 0 | 0 | 4.1 | 3 | 2 | 2 | 0 | 4 | 7 | .188 |
| 1.93 | 0 | 1 | 5 | 6 | 10 | 0 | 0 | 9.1 | 5 | 2 | 2 | 0 | 7 | 13 | .161 |
| 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 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 |
| 2.25 | 0 | 0 | 2 | 2 | 4 | 0 | 0 | 4.0 | 1 | 1 | 1 | 0 | 2 | 3 | .083 |
| 0.00 | 0 | 1 | 2 | 2 | 3 | 0 | 0 | 3.1 | 3 | 1 | 0 | 0 | 2 | 4 | .231 |
| 0.00 | 1 | 0 | 1 | 1 | 2 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 |
| 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 |
| 18.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 4 | 2 | 2 | 0 | 0 | 2 | .571 |
| 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 | 2 | 2 | 2 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 1 | 2 | .000 |
| 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 |
| 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 |
| 3.43 | 3 | 4 | 26 | 31 | 45 | 0 | 0 | 44.2 | 35 | 19 | 17 | 2 | 18 | 47 | .217 |
| 13.50 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 1.1 | 2 | 2 | 2 | 0 | 3 | 4 | .333 |
| 3.60 | 2 | 2 | 14 | 16 | 25 | 0 | 0 | 25.0 | 23 | 10 | 10 | 0 | 8 | 22 | .245 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 1 | .333 |
| 0.00 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 |
| 0.00 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1.1 | 0 | 1 | 0 | 0 | 1 | 2 | .000 |
| 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 | 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 |
| 28 | 7 | 10 | 1 | 0 | 1 | 7 | 0 | 1 | 0 | 0 | 0 | .357 | .379 | .500 | .879 |
| 12 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | .167 | .231 | .167 | .397 |
| 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .000 | .000 | .000 |
| 12 | 4 | 8 | 3 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | .667 | .667 | .917 | 1.583 |
| 12 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | .333 | .385 | .500 | .885 |
| 25 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 17 | 0 | 0 | .080 | .148 | .080 | .228 |
| 3 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | .333 | .333 | .333 | .667 |
| 12 | 4 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | .333 | .333 | .333 | .667 |
| 27 | 2 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 18 | 0 | 0 | .037 | .100 | .037 | .137 |
| 0 | 1 | 0 | 0 | 0 | 0 | 1 | 5 | 1 | 0 | 0 | 0 | .000 | 1.000 | .000 | 1.000 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | .000 | 1.000 | .000 | 1.000 |
| 21 | 2 | 3 | 0 | 0 | 1 | 2 | 10 | 2 | 6 | 0 | 0 | .143 | .455 | .286 | .740 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 16 | 4 | 6 | 1 | 0 | 0 | 4 | 0 | 1 | 1 | 0 | 0 | .375 | .412 | .438 | .849 |
| 16 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 7 | 0 | 0 | .125 | .176 | .125 | .301 |
| 15 | 3 | 5 | 1 | 0 | 1 | 3 | 2 | 1 | 2 | 1 | 0 | .333 | .421 | .600 | 1.021 |
| 24 | 1 | 4 | 1 | 0 | 0 | 0 | 1 | 2 | 6 | 0 | 0 | .167 | .259 | .208 | .468 |
| 23 | 3 | 5 | 1 | 0 | 0 | 3 | 3 | 1 | 9 | 0 | 0 | .217 | .333 | .261 | .594 |
| 22 | 3 | 5 | 0 | 0 | 0 | 3 | 3 | 1 | 4 | 1 | 0 | .227 | .346 | .227 | .573 |
| 14 | 2 | 2 | 0 | 0 | 0 | 2 | 7 | 2 | 8 | 0 | 0 | .143 | .478 | .143 | .621 |
| 19 | 3 | 3 | 1 | 0 | 1 | 2 | 1 | 1 | 6 | 0 | 0 | .158 | .238 | .368 | .607 |
| 12 | 3 | 3 | 1 | 0 | 0 | 3 | 1 | 0 | 4 | 0 | 0 | .250 | .308 | .333 | .641 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 78 | 1 | 20 | 5 | 0 | 1 | 1 | 9 | 3 | 21 | 0 | 0 | .256 | .356 | .359 | .715 |
| 83 | 22 | 15 | 1 | 0 | 1 | 20 | 7 | 7 | 26 | 2 | 0 | .181 | .296 | .229 | .525 |
| 55 | 22 | 11 | 1 | 0 | 1 | 20 | 5 | 5 | 17 | 1 | 0 | .200 | .318 | .273 | .591 |
| 5 | 5 | 1 | 0 | 0 | 0 | 4 | 0 | 1 | 1 | 0 | 0 | .200 | .333 | .200 | .533 |
| 26 | 8 | 5 | 0 | 0 | 1 | 7 | 3 | 1 | 8 | 1 | 0 | .192 | .300 | .308 | .608 |
| AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | AVG | OBP | SLG | OPS |
| 161 | 23 | 35 | 6 | 0 | 2 | 21 | 18 | 10 | 47 | 2 | 0 | .217 | .332 | .292 | .624 |
| 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 |
| 161 | 19 | 35 | 6 | 0 | 2 | 21 | 18 | 10 | 47 | 2 | 0 | .217 | .332 | .292 | .624 |