Former Philadelphia Phillies pitcher Roy Halladay retired as a Toronto Blue Jay on Monday.

FOX Sports first reported that the 36-year-old signed a one-day contract with the team that selected him in the first-round of the 1995 draft.

Halladay played in Toronto from 1998 to 2009 before he was traded to the Philadelphia.

For years, Doc was regarded as the best pitcher in baseball. His highlights with the Phillies include a perfect game against the Florida Marlins in 2010 and a no-hitter in Game 1 of the NLDS against the Cincinnati Reds that same year.

Last year, however, Halladay struggled mightily because of a shoulder problem. He had a 6.82 ERA in 13 starts and lost velocity on his fastball, hitting only 88 miles per hour. In May, he decided to have surgery on that shoulder to repair a partially torn rotator cuff and remove a bone spur. He missed the rest of the 2013 season.

But Halladay’s brilliance on the mound throughout most of his career is what fans will remember.

After 16 seasons, Halladay leaves the game with a 203-105 record and a 3.38 ERA, Baseball-Reference.com notes. He is also an eight-time All-Star and two-time Cy Young Award recipient.