The Astros announced Tuesday that outfielder Adron Chambers and infielder Gregorio Petit have been signed to minor-league deals with invitations to spring training.
Chambers went 4 for 26 with the Cardinals last season while also hitting .252/.338/.387 with eight home runs, 43 RBI and 16 stolen bases in 333 at-bats with Triple-A Memphis. Petit hit .292/.344/.380 with four home runs, 61 RBI and five stolen bases in 503 at-bats with Triple-A Tuscon.