Cardinals reassigned LHP John Gast, RHP Mike Mayers, C Steve Bean and C Alberto Rosario to minor league camp.
John Gast (shoulder) allowed one run over five innings in a start for High-A Palm Beach on Monday.
Cardinals sent LHP John Gast outright to Triple-A Memphis.
John Gast will undergo season-ending surgery on his left lat.
John Gast remains shut down, as he's still having some soreness in his left lat.
John Gast has been diagnosed with a strained left lat.
John Gast will have his left shoulder examined by Dr. Lyndon Gross on Tuesday in St. Louis.
Cardinals placed LHP John Gast on the 15-day disabled list with a left shoulder strain.
John Gast left in the second inning of his start Saturday against the Dodgers due to left shoulder tightness.
John Gast left Saturday's game against the Dodgers in the second inning due to an undisclosed injury.
John Gast held the Brewers to two runs over 5 1/3 innings Sunday in the Cardinals' 4-2 victory.
John Gast will get another start on Sunday against the Brewers.
John Gast allowed four earned runs over six innings but the Cardinals beat the Mets on Tuesday in St. Louis.
Cardinals purchased the contract of LHP John Gast from Triple-A Memphis.