West Notes: Astros, Dodgers, Mariners, Rangers

A source tells MLB Daily Dish's Chris Cotillo that the Astros haven't discussed a long-term extension with Jason Castro yet. The 26-year-old appears to be a candidate for a long-term deal after a 2013 breakout campaign that saw him slug 18 home runs and generate 4.3 fWAR, tops among AL catchers not named Joe Mauer. However, he's now eligible for arbitration, and could become expensive quickly if he's not interested in an extension. As FOX Sports' Ken Rosenthal observed recently, teams appear increasingly willing to trade players who resist being locked up. Here's more from baseball's Western divisions:

• Steve Dilbeck of the Los Angeles Times notes the Dodgers' need for a utility infielder and wonders if they'll try to bring back Michael Young, who hit .314 for the club in 53 plate appearances last year after being acquired from the Phillies. GM Ned Colletti says the Dodgers have maintained contact with Young, who's reportedly considering retirement.
• Cotillo hears (via Twitter) that the Mariners and the Indians are the frontrunners among the five to seven clubs interested in Scott Baker.
• Also from Cotillo's Twitter, the Rangers plan to use lefty Rafael Perez, who they've inked to a minor-league deal, out of the bullpen. Perez, who didn't appear in the majors in 2013, was a starter for much of his early career in the minors. The Rangers were known to be on the hunt for a left-handed arm for their rotation following Derek Holland's recent injury.