What happened: The Houston Astros have agreed to acquire a 27-year-old pitcher from the Tampa Bay Rays. The trade sends the pitcher to Houston as both clubs begin shaping their 40-man rosters for the upcoming season.

Why it matters: The move provides immediate arm depth as the Houston Astros evaluate staff needs heading into the winter. Tampa Bay continues its customary roster churn, reshuffling pitching assets ahead of upcoming contract deadlines.

What to watch: Both clubs will finalize 40-man roster adjustments ahead of the winter transaction deadlines.