Look at how the Astros roster has changed
The Astros only have 11 players remaining on their active 25-man roster that were on their Opening Day roster (those players are in bold):
Starting pitchers (2) — Bud Norris, Lucas Harrell, Philip Humber, Brad Peacock and Erik Bedard.
Relief pitchers (2) — Jose Veras, Josh Fields, Hector Ambriz, Xavier Cedeno, Wesley Wright, Rhiner Cruz, Edgar Gonzalez.
Catchers (2) — Jason Castro, Carlos Corporan.
Infielders (3) — Brett Wallace, Jose Altuve, Ronny Cedeno, Marwin Gonzalez, Matt Dominguez, Carlos Pena.
Outfielders (2) — Chris Carter, Justin Maxwell, Rick Ankiel, Brandon Barnes, J.D. Martinez.