Cardinals reliever Jason Motte has been placed on the 15-day disabled list, retroactive to Aug. 1, due to a lower back sprain, the club announced via press release. As a corresponding move, left-hander Nick Greenwood has been recalled from Triple-A Memphis.

Motte, 32, has a 4.91 ERA, 1.50 WHIP and 16 strikeouts in 22 innings this season, as he's returned from Tommy John surgery.