Arizona Diamondbacks outfielder Kole Calhoun, who playfully fist-bumped a teenaged fan after being outreached for a foul ball last weekend, is expected to miss six to eight weeks because of an injured left hamstring injury.
Calhoun underwent a procedure Friday to remove a tendon in his hamstring, the team said. He suffered the injury while stealing third base in a 5-1 victory over San Diego on Tuesday.
Diamondbacks general manager Mike Hazen said NFL players have had the same operation as…
