Philadelphia Phillies pitcher Roy Halladay tips his hat to the crowd before his team plays the Toronto Blue Jays in their MLB Interleague baseball game in Toronto, July, 1, 2011. Halladay is a former Blue Jays pitcher.

Toronto Blue Jays' pitcher Roy Halladay throws in the first inning against Darin Erstad of the Anaheim Angels (L) during their game in Anaheim, California, August 1, 2003. Halladay entered the game with a 15-2 record and a 15-game winning streak.

Toronto Blue Jays pitcher Roy Halladay pitches against the Detroit Tigers in the ninth inning of their game on September 27, 1998. Halladay came within one out of throwing a no-hitter in his second major-league start, allowing a home run to Tigers Bobby Higginson and settling for a 2-1 victory.

Toronto Blue Jays pitcher Roy Halladay walks past his glove and hat during spring training baseball workout in Dunedin Florida, February 14, 2008.

Toronto Blue Jays starter Roy Halladay wipes his face after giving up four runs in the third inning during the third inning of their American League baseball game against the Tampa Bay Devil Rays in Toronto June 5, 2007. Halladay gave up seven runs on 12 hits before being relieved in the fourth inning.

Toronto Blue Jays starting pitcher Roy Halladay delivers against the Anaheim Angels during the fourth inning of an MLB American League baseball game in Anaheim, California July 5, 2008.

Toronto Blue Jays starter Roy Halladay holds the rosin bag during a break in play during the sixth inning of their American League MLB baseball game against the Chicago White Sox in Toronto May 31, 2007.

Philadelphia Phillies pitcher Roy Halladay celebrates after the team clinched the Eastern Division with a win over the St Louis Cardinals in their National League MLB baseball game in Philadelphia, Pennsylvania, September 17, 2011.

Dec 9, 2013; Orlando, FL, USA; Former pitcher Roy Halladay waits before announcing his retirement during the MLB Winter Meetings at Walt Disney World Swan and Dolphin Resort December 9, 2013. Halladay signed a one-day contract and retired with the Toronto Blue Jays. David Manning-USA TODAY Sports

Toronto Blue Jays pitcher Roy Halladay takes a photo with unidentified fan in pre-game activities in Toronto, June 3, 2007.

Philadelphia Phillies starting pitcher Roy Halladay delivers a pitch to the Miami Marlins during the first inning of their National League MLB baseball game in Philadelphia, Pennsylvania, April 11, 2012. REUTERS/Tim Shaffer

Toronto Blue Jays starter Roy Halladay wipes his face after being relived in the fourth inning of their American League baseball game against the Tampa Bay Devil Rays in Toronto, June 5, 2007. Halladay gave up seven runs on 12 hits before being relieved in the fourth.

Toronto Blue Jays starting pitcher Roy Halladay adjusts his cap while walking off the field against the Chicago White Sox during the fourth inning of their MLB American League baseball game in Toronto, May 4, 2008.