Casas suffered the injury while running to first after hitting a slow roller up the first-base line in the second inning of Boston's 6-1 win over the Minnesota Twins on Friday. He fell awkwardly and was carted off the field before he was eventually hospitalized.

Casas is staring at a daunting recovery after suffering a torn patellar tendon. The post Triston Casas undergoes season-ending knee surgery at Mass. General Hospital appeared first on Boston.com.

During Sunday’s game the Red Sox announced that first baseman Triston Casas has undergone successful patellar tendon repair surgery on his left knee. The procedure was performed by Dr. Eric Berkson at Massachusetts General Hospital.