Nebraska athletic director and former football coach Tom Osborne’s run in the Cornhuskers’ athletic department will come to an end after 48 years.

At at Wednesday press conference in Lincoln, Osborne, 75, announced that he will retire on Jan. 1.

“At some point, whether you’re able to function or not, the perception that you’re getting old gets in the way,” Osborne said via the Lincoln Journal Star.

Osborne led the Huskers to NCAA championships in 1994, 1995 and 1997 to cap a 24-year run at the helm of the program during which he compiled a 255-49-3 record. After a six-year stint representing Nebraska’s 3rd district in the U.S. House of Representatives, Osborne returned to Lincoln in Oct. 2007 as interim athletic director. He has served as the school’s full-time athletic director ever since.

Osborne will become athletic director emeritus after his retirement, the university said in a release.

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