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05/30/10 1:35 PM ET

Doc's perfection no surprise to Gaston, Wells

TORONTO -- Current Phillies starting pitcher, and longtime Blue Jay, Roy Halladay, made history Saturday night against the Marlins, throwing Major League Baseball's 20th perfect game.

Halladay, who spent 12 seasons with the Blue Jays before being Traded to Philadelphia this offseason, was not only a fixture in the Blue Jays rotation, but also in the city of Toronto. Many of his former teammates, in particular Vernon Wells, who spent 11 seasons with Halladay, had some encouraging words for the 2003 Cy Young Award winner.

"In my opinion he's one of the best pitchers in the game," Wells said. "It was just a matter of when, not if it was possible."

Manager Cito Gaston, who was one of Halladay's first professional coaches, could not have been happier for a player he considers to have an unparalleled work ethic.

"You feel happy for Doc, because you know Doc," Gaston said. "The effort he puts into his preparation to do the sorts of things that he does, he's a no nonsense guy when it comes to baseball season.

"[When he was here] he's working, working on off-days, comes to the ballpark on off-days, pretty much beats everyone here but [third-base coach] Brian Butterfield, and that's a tough job to do there. You won't beat Butterfield unless you get here at 6 a.m. in the morning."

While Gaston called to congratulate Halladay on his perfect performance, he was forced to leave a message.

"You really think he would answer the phone?" Gaston said with a widespread grin.

"Probably working out," he added jokingly.

James Hall is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.