Second, they're going to need a roster spot for Roy Oswalt if he's ready to start Friday (which would probably shift Scott Feldman, who got his first win of the season Tuesday, to the bullpen. If Moreland goes on the DL, Oswalt could take his spot on the 25-man roster.
The injury comes after Moreland rebounded from an early slump. The first baseman hit .228 with three homers and six RBIs in the first month of the season (57 at-bats). But since early May, Moreland has hit better. In his last 101 at-bats, he has 30 hits (.297 average) with seven homers and 19 RBIs.