Roy Oswalt says Astros have potential for a dynasty

Roy Oswalt on throwing 1st pitch, 10/06/2018

Dealing Roy Oswalt was catalyst for Astros' rebirth

Roy Oswalt lends expertise as guest instructor for Astros

Roy Oswalt, Woody Williams open development in Galveston

John P. Lopez: Astros would be wise to deal Oswalt before he heads

Lance Berkman, Roy Oswalt and Hall of Fame voting

Roy Oswalt, Woody Williams open development in Galveston

Astros trade: With Oswalt and Halladay, Phillies hold pair of aces

Astros: Reviewing the 2010 Roy Oswalt trade with Phillies

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