Luke Gregerson has been named the Astros' closer.
Roberto Hernandez has been named the Astros' No. 5 starter.
Astros purchased the contract of LHP Joe Thatcher from Triple-A Fresno.
Astros manager A.J. Hinch indicated Monday that Josh Fields (groin) is likely to begin the season on the disabled list.
Brad Peacock gave up four runs -- three earned -- over two-thirds of an inning in his spring debut Sunday against the Yankees.
X-Rays came back negative on the hand and wrist of L.J. Hoes on Sunday.
Brad Peacock (hip) will make his Grapefruit League debut on Sunday.
Astros optioned C Max Stassi to Triple-A Fresno; re-assigned SS Carlos Correa, LHP Darin Downs, C Tyler Heineman, RHP James Hoyt and INF Gregorio Petit to minor league camp.
Astros optioned RHP Jake Buchanan to Triple-A Fresno.
Astros optioned 3B Matt Dominguez to Triple-A Fresno.
L.J. Hoes will have X-rays taken of his right hand and wrist after being hit by a pitch Saturday.
Hank Conger homered for the Astros' lone run Saturday in a 1-1 tie versus the Marlins.
Roberto Hernandez allowed one run and three hits in five innings Saturday in a no-decision versus the Marlins.
Robbie Grossman (quad) has been cleared for game action.
Jonathan Villar (ankle) has been cleared for game action.