halladay has been chosen to the major league baseball all-star game seven times, and won the american league cy young award in 2003. on may 29, 2010, halladay threw a perfect game against the florida marlins. on october 6, 2010, in his first career mlb playoff game, he threw a no hitter against the cincinnati reds, allowing only one walk. halladay won the 2010 national league cy young award, and became one of five pitchers who have won cy young awards in both leagues.