These players won't be wearing an Astros jersey this year:
Pitcher Luke Gregerson is now a St. Louis Cardinal.
Pitcher Francisco Liriano is currently a free agent.
Pitcher Joe Musgrove is now a Pittsburgh Pirate.
Pitcher Mike Fiers is now a Detroit Tiger.
Catcher Juan Centeno is now a Texas Ranger.
Outfielder Carlos Beltran has retired.
Outfielder Cameron Maybin is now a free agent.