John Gibbons was fired Friday by the last-place Blue Jays and replaced by Cito Gaston, who led the team to World Series titles in 1992 and 1993, as reported by the Associated Press. The Blue Jays began the day 35-39, having lost five straight and 13 of their last 17 games to fall 10 1/2 games behind the AL-East leading Red Sox.