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Rick Egan | The Salt Lake Tribune Real Salt Lake head coach Mike Petke, in RSL action at Rio Tinto Stadium, Saturday, April 8, Leah Hogsten | The Salt Lake Tribune RSL head coach Mike Petke, built his reputation in MLS has a hard-nosed, no-nonsense defen Real Salt Lake midfielder Danilo Acosta, left, is directed by head coach Mike Petke while facing the Colorado Rapids in the first