Via the Jays official press release...
The Toronto Blue Jays have relieved Manager John Gibbons of his duties along with coaches Marty Pevey, Ernie Whitt and Gary Denbo. In uniform tonight will be Manager Cito Gaston, First Base Coach Dwayne Murphy, Third Base Coach Nick Leyva and Hitting Coach Gene Tenace.
Gaston, 64, becomes the first two time manager of the Blue Jays moving over from his position as Club Ambassador and Special Assistant to the President and CEO. Gaston managed the Blue Jays from 1989 to 1997 and led the team to four play-off appearances including back to back World Series Championships in 1992 & 1993. One of nine men inducted to the Toronto Blue Jays Level of Excellence, he owns a career 681-635 record as manager in a franchise high 1,316 games. The former Major League outfielder was the clubs Hitting Coach from 1982 to 1989 and again in 2000 and 2001.

On The Dennis and Callahan Show on Friday morning on WEEI Radio, Boston Red Sox pitcher Curt Schilling announced that he will have season-ending surgery on his shoulder on Monday and it is definitely the end of his season and could possibly be the end of his career.