Michigan Wolverines head coach Dusty May could be closing in on his first official coaching staff hire since the move to Ann Arbor. Former Oklahoma State head coach Mike Boynton is set to join as an assistant coach, according to CBS Sports’ Matt Norlander. Boynton, 42, was just let go at Oklahoma State after going 119-109 in seven years on the job from 2017-24. He had previously spent the 2016-17 season in Stillwater as an assistant. He was an assistant under Illinois head coach Brad Underwood in stops at both Stephen F. Austin and Oklahoma State. Boynton got his start in coaching in 2004-05 a…