Putz placed on DL with rib inflammation

Mariners closer J.J. Putz was placed on the 15-day disabled list Wednesday, one day after feeling discomfort while throwing a pitch in the ninth inning against the Rangers.

Putz, who saved a career-high 40 games in 2007, was diagnosed with inflammation in the ribcage on his right side.

The Mariners selected right-hander Roy Corcoran from Triple-A Tacoma to take Putz's spot on the roster.

Putz said the pain began after throwing a split-finger fastball to Michael Young on the third pitch of the at-bat in the ninth. Putz wound up blowing the save. During a press conference Wednesday, Putz said it felt "like an icepick stabbing inside."

The right-hander had a precautionary MRI exam done Wednesday, and it revealed mild costochondritis on his right side, a Mariners release said. Costochondritis is inflammation where cartilage attaches to a rib.

Corcoran, 27, was one of Seattle's final cuts this spring after posting an 0-1 record with a 6.75 ERA -- four earned runs in 5 1/3 innings in five relief appearances. Corcoran spent the 2007 season at Triple-A Albuquerque in the Florida Marlins organization.