Riley O'Brien

O'Brien (calf) suffered a minor right calf strain one week ago. Tuesday's bullpen session will mark his initial mound work since sustaining the injury.

Fantasy Impact

The calf strain is projected to keep O'Brien from representing Team South Korea in the World Baseball Classic. Tuesday represents his return to throwing from the mound.

Cardinals reliever Riley O'Brien will miss the upcoming World Baseball Classic due to a calf injury.

Fantasy Impact

O'Brien has been nursing a sore calf the last couple of days in Cardinals spring training and was forced to withdraw from Team Korea at the WBC as a result. The 31-year-old posted a stout 2.06 ERA across 42 appearances for the Cardinals last season.

Riley O’Brien is dealing with a bit of calf soreness.

Fantasy Impact

It is possible the injury could impact O'Brien's availability to participate in the World Basebabll Classic. He had been slated to serve as the closer for Team South Korea.

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.