It's the latest setback for Byron Buxton who has been plagued by injuries this year. It's not clear how much time the outfielder will miss for the dislocated left middle finger.
Buxton, 20, was considered to be the top prospect in baseball at the start of the year. He was limited to 31 minor league games this season because of a bruised left wrist during spring training, which he also injured while diving for a ball.
The Star Tribune says he also suffered a concussion in August during his only game at Class BB New Britain where he was scheduled to start the season.