Riley O'Brien
RP - St. Louis Cardinals
2026 Outlook
Roster %
Eligibility
Availability
Riley O'Brien recorded the final out for the save on Tuesday against the Giants.
Fantasy Impact
O'Brien came in with one runner on and two outs. He recorded a strikeout for his sixth save on the season.
Riley O'Brien struck out two batters and allowed one walk in a scoreless inning to earn the save in Sunday’s win over the Brewers.
Fantasy Impact
O'Brien, along with JoJo Romero, continues to see save opportunities for the Cardinals. After yesterday's game, O'Brien holds a 2.13 ERA and 1.18 WHIP with four saves across 36 appearances this season.
Riley O'Brien's MRI came back clean.
Fantasy Impact
O'Brien, who is dealing with right shoulder soreness, has not yet been placed on the injured list. The Cardinals plan to have him rest until Friday, when he is expected to begin working his way back to the mound.
The Cardinals recalled RHP Riley O’Brien from Triple-A Memphis.
Fantasy Impact
O'Brien has posted a 2.79 ERA over 19 1/3 innings out of the bullpen for Memphis this season. He'll work a middle relief role for the Cardinals.
The St. Louis Cardinals have recalled Riley O'Brien from Triple-A Memphis to serve as 27th man for Thursday's doubleheader against the Kansas City Royals.
Fantasy Impact
O'Brien will likely be optioned after Thursday's doubleheader, but he'll provide the Cardinals with an extra arm. In 2.2 major league innings this season, he's allowed three earned runs.