Astros purchased the contract of RHP Michael Feliz from Low-A Quad Cities.
Astros sent RHP Anthony Bass outright to Triple-A Oklahoma City.
Houston Astros purchased the contract of RHP Vincent Velasquez from High-A Lancaster.
Astros purchased the contract of INF Ronald Torreyes from Triple-A Oklahoma City.
The Astros and Jason Castro haven't discussed a contract extension yet this offseason, according to Evan Drellich of the Houston Chronicle.
Astros and OF Alex Presley avoided arbitration by agreeing to a one-year, $1 million contract.
Chris Cotillo of MLBDailyDish.com reports that the White Sox are a "team to watch" in a potential Jason Castro trade.
Astros general manager Jeff Luhnow said the Astros may trade a catcher over the offseason.
Astros general manager Jeff Luhnow said Tuesday that George Springer (quad) is fully healed.
Astros general manager Jeff Luhnow indicated that with an injury in the Astros rotation or a strong showing in the minor leagues, Mark Appel could reach the major leagues in 2015.
Nick Cafardo of the Boston Globe reports that "the feeling" in the industry is that the Astros will listen to offers for Jason Castro.
Astros released RHP Matt Heidenreich.
Astros released OF Bobby Bochering.
Astros acquired C Hank Conger from the Angels for C Carlos Perez and RHP Nick Tropeano.
Dallas Keuchel has been named the 2014 American League Gold Glove winner at pitcher.