Will it be a season of goodbyes? By Matt Hayes - SportingNews Wisconsin coach Barry Alvarez announced last week that his 16th season will be his last, and it could be the first in a run of key retirements at the end of the 2005 campaign. Alvarez has the fourth-longest tenure at the same school among active head coaches -- behind Joe Paterno (Penn State, 40th year), Bobby Bowden (Florida State, 30th year) and Bill Snyder (Kansas State, 17th year). Others who might vacate big jobs: The coach The skinny The replacement Joe Paterno (Penn State), 78 If the Lions can't break .500, Joe goes. Tom O'Brien (Boston College) Bobby Bowden (Florida State), 75 He won't let things deteriorate like JoePa has. Kevin Steele (FSU assistant) Lloyd Carr (Michigan), 60 He's growing tired of NCAA hypocrisy. Bob Petrino (Louisville) Pete Carroll (Southern California), 53 If he wins another title, the only challenge left will be winning in the NFL. Butch Davis