Roy Oswalt announces his retirement : r/baseball
Rockies Sign Roy Oswalt - MLB Trade Rumors
Roy Oswalt believes in himself, and the Rockies agree – The Denver Post
What Roy Oswalt Meant to Me – betterthings2do
Roy Oswalt hurls a one-hitter, fanning eight
Roy Oswalt Stats, Fantasy & News
Roy Oswalt hurls a one-hitter, fanning eight
Spring Training 2014: Masahiro Tanaka dons pinstripes, MLB buzz and headlines
Longtime Astros ace Oswalt to retire after stellar career - Sports Illustrated