By Zach Barnett Bowlsby has run the constantly-embattled conference for the past decade, and worked in college athletics for the past four Bob Bowlsby is stepping down as Big 12 commissioner, the conference announced Tuesday. “After more than 40 years of serving in leadership roles in intercollegiate athletics, including the last 10 with the Big 12, and given the major issues that college sports in general and the Big 12 specifically will address in the next several years, I have reached a natural transition point in my tenure as Commissioner, as well as in my career,” said Bowlsby. View the o…