BEVERLY HILLS, CA – JULY 26: Former NFL coach & ESPN analyst Rex Ryan of ‘ESPN’s Sunday’s NFL Countdown’ speaks onstage during the ESPN portion of the 2017 Summer Television Critics Association Press Tour at The Beverly Hilton Hotel on July 26, 2017 in Beverly Hills, California. (Photo by Frederick M. Brown/Getty Images)As surprised as Miami fans might have been by the sudden retirement of head coach Mark Richt on Sunday, they might be even more surprised at a name that has popped up as a candidate.According to Miami reporter Barry Jackson, some “prominent former Miami players” are pushing for former New York Jets and Buffalo Bills head coach Rex Ryan to take over as head coach.Per Jackson’s report, Ryan is believed to be interested in the job if he gets contacted.Ryan has been out of the NFL since being fired by the Bills after the 2016 season.Per source, couple prominent former UM players pushing behind scenes for former Jets coach Rex Ryan to replace Richt. Ryan is believed to have interest, if he’s contacted officially. So one of bunch of names to keep in mind.— Barry Jackson (@flasportsbuzz) December 30, 2018Also worth noting is that Ryan has never been a head coach in college football before. He served as defensive coordinator for Kansas, Oklahoma, and Cincinnati in the 1990s before joining the Baltimore Ravens from 1999 to 2008.Ryan became head coach of the New York Jets in 2009 and promptly led the team to back-to-back AFC Championship Games.He was fired in 2014 after missing the playoffs in four straight years and took over the Buffalo Bills in 2015.Ryan is currently serving as an NFL analyst for ESPN.Oregon head coach Mario Cristobal is believed to be Miami’s top choice for the head coaching vacancy, though there are doubts about his willingness to leave the Ducks.