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2026 Pitching
| STATS |
W
Wins
|
L
Losses
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ERA
Earned Run Average
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SO
Strikeouts
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BB
Base on Balls (Walk)
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WHIP
Walks and Hits Allowed Per Inning
|
|---|---|---|---|---|---|---|
| Regular Season | 3 | 1 | 2.84 | 23 | 1 | 0.95 |
Top Riley O'Brien News
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Cardinals' Riley O'Brien: Blows third save
O'Brien blew the save in Sunday's 3-2 loss to San Diego. He allowed two runs on two hits and no walks while striking out three over one inning.
O'Brien had his club one strike away from securing a series win in San Diego before Nick Castellanos launched a game-tying two-run homer on the ninth pitch of the at-bat in the bottom of the ninth inning. Sunday marked the hard-throwing right-hander's third blown save of the campaign, snapping a streak of four consecutive saves. Despite the stumble, O'Brien has been effective in the closer role in 2026, posting a 2.84 ERA and 0.95 WHIP with 11 saves and a stellar 23:1 K:BB across 19 innings.
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Cardinals' Riley O'Brien: Converts 11th save
O'Brien struck out one in a perfect inning to earn the save in Thursday's 2-1 win over the Padres.
O'Brien got the job done on 10 pitches (eight strikes) to preserve a one-run lead. He's had some shaky moments lately, allowing four runs over his last 4.2 innings, but he's still converted four of his five save chances in that span. This is O'Brien's first full season closing, and he's done well in the role with 11 saves on 13 chances while maintaining a 2.00 ERA, 0.89 WHIP and 20:1 K:BB through 18 innings.
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Cardinals' Riley O'Brien: Tallies 10th save
O'Brien picked up the save in Monday's 6-3 victory over Milwaukee. He allowed no hits or walks with no strikeouts over two-thirds of a perfect inning.
With Gordon Graceffo surrendering a two-run homer to Brice Turang in the ninth inning to make it a three-run game and allowing another batter to reach, O'Brien entered with one out and closed the frame without issue to secure a victory for St. Louis. The lanky right-hander has been reliable in the closer role in 2026, allowing an earned run in just two of 17 appearances while posting a 2.12 ERA and 0.94 WHIP with a 19:1 K:BB across 17 innings. His 10 saves rank second in MLB, trailing only Mason Miller (11).
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Cardinals' Riley O'Brien: Barely holds on for ninth save
O'Brien notched the save Saturday against the Dodgers, allowing two runs on four hits and no walks in the ninth inning. He struck out two.
O'Brien needed every bit of the three-run cushion he was granted, giving up four straight hits and two runs with two outs before finally closing the door with a strikeout -- although three of those hits were inches away from becoming outs in the gloves of Masyn Winn or JJ Wetherholt. The 31-year-old right-hander has been a bit shaky lately, converting just three of his last five save chances while yielding four runs during that span. Overall, O'Brien still sports a 2.20 ERA, 0.98 WHIP and 19:1 K:BB with nine saves across 16.1 innings.
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Cardinals' Riley O'Brien: Hangs on for eighth save
O'Brien secured the save Wednesday against the Pirates, allowing no runs on one hit and no walks in the ninth inning. He struck out one.
While O'Brien did allow the tying run to get aboard, he held on for his eighth save of the year courtesy of an amazing leaping catch at the wall by Nathan Church for the game's final out. The right-hander is solidifying his grip on St. Louis' closer role, posting a 1.17 ERA, 0.78 WHIP and 17:1 K:BB over 15.1 frames. O'Brien trails only Mason Miller (10) in saves in the National League so far.
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Cardinals' Riley O'Brien: Blows second save
O'Brien (3-1) blew the save and took the loss Saturday as the Cardinals fell 11-9 to the Mariners, giving up two runs on four hits and a walk in an inning of work. He struck out one and also hit a batter with a pitch.
There weren't many St. Louis pitchers who had success Saturday, and O'Brien wasn't immune to the malaise. The right-hander entered the game in the eighth inning with one out and runners on second and third to protect a 9-7 lead, but a Connor Joe single tied things up and stuck O'Brien with his second blown save of the year in nine chances. He then came back out for the ninth and loaded the bases before a Leo Rivas single put Seattle in front for good. The earned runs on O'Brien's ledger were his first of 2026, and despite the stumble he still boasts a 1.26 ERA, 0.77 WHIP and 16:1 K:BB through 14.1 innings.
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Cardinals' Riley O'Brien: Notches seventh save
O'Brien gave up a hit and struck out one in a scoreless ninth inning Tuesday to record his seventh save of the season in a 5-3 win over the Marlins.
The right-hander topped 100 mph three times in 17 pitches (11 strikes) as he converted his seventh save in eight chances to begin the season. O'Brien also has three wins and two holds in his 13 appearances, but he's seized control of the closer job for the Cardinals with a dominant start to 2026, posting a 0.00 ERA, 0.45 WHIP and 15:0 K:BB over 13.1 innings.
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Cardinals' Riley O'Brien: Blows save, earns win Sunday
O'Brien (3-0) blew a save despite not being charged with a run and earned the win in Sunday's 7-5 extra-inning victory over the Astros. He allowed one hit and struck out two.
O'Brien entered with two outs and two men on in the eighth inning and allowed a game-tying single before rebounding with a scoreless ninth frame. It goes down as his first blown save of the season, but he has still to be charged with an earned run in 12 appearances. The 31-year-old is also 6-for-7 in save chances with a 0.41 WHIP and 14:0 K:BB across 12.1 innings.
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Cardinals' Riley O'Brien: Earns two-out save
O'Brien earned the save in Saturday's 7-5 win over the Astros, striking out one while retiring both batters he faced in the ninth inning.
The right-hander was called upon with one out in the ninth after George Soriano allowed three runs in the frame, and O'Brien retired the top two hitters in the Astros' order on seven pitches. The 31-year-old has been outstanding to open the campaign, posting a 12:0 K:BB across 11 innings while allowing just one unearned run and converting all six of his save opportunities.
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Cardinals' Riley O'Brien: Collects save No. 5
O'Brien struck out two in a perfect ninth inning Wednesday to record his fifth save of the season in a 5-3 win over the Guardians.
The flame-throwing right-hander topped out at 99.7 mph with his two-seamer as he fanned Angel Martinez and Rhys Hoskins en route to converting his fifth straight save chance to begin the season. The back of the Cardinals' bullpen seemed unsettled to begin the season, but O'Brien has quickly locked down the closing gig while posting a 0.39 WHIP and 11:0 K:BB with just one unearned run allowed through his first 10.1 innings.
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Cardinals' Riley O'Brien: Picks up fourth save
O'Brien picked up his fourth save Friday against the Red Sox, striking out one in a hitless and scoreless ninth inning.
O'Brien entered in the ninth with a 3-2 lead and set the Red Sox down in order on eight pitches, six of which he threw for strikes. After Ryne Stanek opened the season as St. Louis' closer, O'Brien has recorded four straight saves for the Cardinals. He's yet to allow a run and owns a perfect 8:0 K:BB across 8.1 innings.
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Player Bio
| HT/WT: 6-4, 180 lbs |
| Birthplace: Seattle, WA |
| Age: 31 |
| Experience: 4 |
| Bats/Throws: R, R |