John Gast Placed On DL With Left Shoulder Strain; Mike Blazek Joins Bullpen As Cardinals Add More Depth; Carlos Beltran Sits With Left Shoulder Soreness; Michael Wacha Under Consideration To Start Thursday; Worth Noting

John Gast became the fourth member of the Cardinals' pitching staff to land on the disabled list this month as the Cardinals moved him to the 15-day DL on Sunday, after Gast was diagnosed with a left shoulder strain.

St. Louis Official Site