Astros great Roy Oswalt praises Zack Greinke's Game 4 performance
Dealing with Astros could be tough
SALE Roy Oswalt Autograph 8x10 Photo Houston Astros Pitcher Signed JSA – Zobie Productions
Astros' legend Roy Oswalt tosses first pitch at ALCS Game 2
Astros: Reviewing the 2010 Roy Oswalt trade with Phillies
Pitcher Roy Oswalt to retire from major leagues - Los Angeles Times
Game of the Day Astros 4, Pirates 3
You dumbass, we just threw a no-hitter: The behind-the-scenes story of how six Astros pitchers no-hit the Yankees - The Athletic
Lidge believes Oswalt can tow Phils to playoffs – Mainline Media News
Veteran RHP Roy Oswalt decides to retire