Boston Red Sox first baseman Triston Casas suffered a ruptured tendon in his left knee and is out for the remainder of the season, the team said on Saturday.

Boston first baseman Triston Casas will require surgery and likely is done for the season after suffering a ruptured left patellar tendon, Red Sox head of baseball operations Craig Breslow told reporters Saturday.

Casas suffered the injury when he hit first base awkwardly trying to beat out an infield single in the second inning. He hit the bag and immediately crumbled to the ground, grabbing his left knee. Casas had to be carted off the field. Here's the play: