John Gibbons only played 18 games in Major League Baseball -- all for the New York Mets -- but his managerial career has already lasted much longer. He took over as Toronto manager in 2004 in the middle of the season and coached the team for five years before he was fired in 2008. He returned to a revamped squad in 2013 with high expectations, but the Blue Jays only finished 74-88. The team did improve to 83-79 in 2014.
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