Buster Olney is reporting that the Blue Jays have fired manager John Gibbons, the third managerial change in the majors this week. Cito Gaston, manager during the Blue Jays world series run in the early 1990's will take over as manager. Coaches Marty Pevey, Ernie Whitt and Gary Denbo were also relieved of their duties. The Blue Jays were only 4 games under .500, but were 10.5 games out of first place entering this weekend. First base coach Dwayne Murphy, third base coach Nick Leyva and hitting coach Gene Tenace will join Gaston on the Blue Jays staff.