Pirates activate OF Starling Marte from 7-day concussion DL
AUG 05, 2014 3:30p ET
Marte had been out since July 22. He is hitting .255 with five home runs and 21 stolen bases in 86 games.
Alvarez, who has lost his spot in the lineup because of a throwing problem, may miss as many as three games under major league rules.