The 2010s: The Phillies' five worst and five best trades of the decade - The Athletic
How Roy Oswalt's MLB Peak Got Far Less Credit Than It Deserved, News, Scores, Highlights, Stats, and Rumors
Oswalt approves deal, Astros trade ace to Phillies - Statesboro Herald
Toronto Blue Jays trade Francisco Cordero, Ben Francisco to Houston Astros; call up Travis Snider
Phillies Sexy Opponent of the Series: JA Happ, HOU
The Hunter Pence Trade: A Look at What the Phillies are Giving Up - The Good Phight
Trade Retrospective: Phillies acquire Roy Oswalt for stretch run - Beyond the Box Score
Phillies re-sign Cliff Lee at 2010 Meetings
Roy Oswalt, Baseball Wiki
Retired pitcher Roy Oswalt visits Houston Astros' camp
Longtime Astros ace Oswalt to retire after stellar career - Sports Illustrated
Houston Astros: Re-Evaluating the Roy Oswalt Trade, News, Scores, Highlights, Stats, and Rumors
Phillies' Oswalt struck in head by liner
Where will Astros' ace Oswalt end up?
Phillies Notes: Oswalt won't face old team as the Astros come to town