Big 12 commissioner Bob Bowlsby to step down later this year

Bob Bowlsby plans to step down as commissioner of the Big 12 Conference later this year, the league announced Tuesday.

Bowlsby, 70, has served as commissioner since 2012. He is the longest-tenured commissioner of a Power Five conference, a distinction that will go to the SEC's Greg Sankey after Bowlsby departs.

Bowlsby will remain in the position until a replacement is appointed, at which point Bowlsby will take on a ne