[1] At the end of his senior year Aaron was considered for the inaugural Gagliardi Trophy, awarded to an NCAA Division III football player for excellence in athletics, academics and community service.
Keen retained much of Rowland's staff; one noteworthy hire was defensive coordinator Jim Ryan, who had held the same position at Colorado College.
[10] The University of Nebraska Omaha (UNO), under long-time head coach Pat Behrns, was coming off three consecutive appearances in the NCAA Division II Football Championship, making it to the second round each time.
[2] Keen and McCaslin found themselves suddenly out of a job in the spring of 2011 when UNO decided to transition to NCAA Division I and join the Summit League.
Keen found himself thrust into an unusual and difficult situation in 2012, when Hoffner was charged with possessing child pornography and suspended from his duties.
[13] In his first season Keen led Minnesota State to a 13–1 record and an appearance in the NCAA Division II Football Championship, making it all the way to the semifinals.
[15] Hoffner met with the players and the question of his return was resolved amicably, but Keen departed two weeks later to become the special teams coordinator and tight ends coach at Eastern Michigan University.
[18] Keen's tenure at Eastern Michigan was successful, and after the 2019 season he departed to become a head coach again–at Washington University, his alma mater.
The COVID-19 pandemic led to Washington University suspending fall sports for the 2020 year, delaying Keen's coaching debut there.