 Boston Globe | Florida Marlins manager Jack McKeon, 80, will retire after seas on MiamiHerald.com Marlins manager Jack McKeon, 80, said he will quit at the end of the season, but he would like to set a record in 2018 as the oldest manager ever. By Manny Navarro If Jack McKeon gets the chance one day in 2018 to pass Connie Mack as the oldest manager ... MLB Team Report - Florida Marlins McKeon says he'll retire at end of season Marlins' McKeon to retire after 2011 finale |