"He may be back today; we're waiting on some confirmation on that," Weiss said. "We don't have confirmation yet."
A strong defensive catcher valued for his knowledge behind the plate, Torrealba entered Tuesday hitting .252 with 10 RBIs and six doubles in 51 games.
To make room, Colorado sent infielder Ryan Wheeler back to Triple-A Colorado Springs. Wheeler played in 10 games for the Rockies, starting three, going 4-for-19 with a pair of doubles and two RBIs.
Named to the All-Pacific Coast League team, Wheeler hit .308 with 10 homers and 81 RBIs in 110 games with the Sky Sox.
Ian McCue is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.