There were several notable changes in this week's Fastball On SI MLB power rankings poll. Check out the full list below.

The Astros have scratched right-hander Lance McCullers Jr. from Monday night's start and placed him on the 15-Day injured list with a right foot sprain.

The Houston Astros are a season-best 11 games over .500 after stringing together five straight victories but an unexpected rotation shakeup on Monday presents a new challenge.

Read our story on the balloting format, which includes two phases of fan voting to determine the All-Star starters. The ...

The Astros’ rotation took another hit Monday when right-hander Lance McCullers Jr. was placed on the 15-day injured list, ...