Castro was placed on the 15-day disabled list by the Mets on Friday due to a strained left oblique muscle. The catcher suffered the injury during batting practice last weekend in Atlanta. The Mets have recalled catcher Mike DiFelice from Triple-A Norfolk to backup starter Paul Lo Duca. (Updated 8/4/2006) Analysis: Castro is hitting .239 with three homers and 11 RBIs in 37 games for the Mets this season.