Oh, it's been mentioned a lot in the Spring Training thread. Kimmi posted this March 3.
Jason Mastrodonato
Verified account @JMastrodonato
2m2 minutes ago
Looks like every player who had a flexor strain last year missed at least six weeks except Pomeranz, who got a late start after a stem cell injection in his elbow and then missed the minimum 10 days on the DL to start the year. Diagnosis then was a left forearm flexor strain.