The Pirates recalled right-hander Jared Hughes and selected the contract of right-hander Ryan Reid, each from Indianapolis, before Monday night's game against the Atlanta Braves.
Gomez was removed from Sunday's 5-4 win over the Cincinnati Reds with the injury after giving up four runs in the first inning. He is 2-0 with a 3.07 ERA in 12 games, including seven starts.
Presley was recalled from Indianapolis last Friday and is hitting .357 in eight games.
To make room on the 40-man roster, right-hander Phil Irwin was reinstated from the Indianapolis disabled list and placed on the major league 60-day disabled list.
Copyright 2013 The Associated Press.