March 15: Both MRIs conducted on Perez’s knee have come back clean, per MLB.com’s Jeffrey Flanagan (Twitter links). Perez will be sidelined for about a week nonetheless, however, due to a hyperextended left elbow that he sustained in the collision. While taking more than a week off of games isn’t ideal, the fact that Perez’s knee is just fine and the minor elbow injury occurred in his non-throwing arm are both positive outcomes from an initially frightening situation.
March 12: In a best-case scenario, Perez will be able to return in a week, general manager Dayton Moore told Joel Sherman of the New York Post (Twitter link).