Cottle joins the Juniata football program for his first year with the Eagles. Cottle will be working with the defensive line. He joins the Eagles staff after spending two years at Bates College working as the defensive backs coach and the co-special team's coordinator. Cottle was in charge of the punt and the kickoff unit and in his first season he was in charge of the defensive line. Before that, Cottle spent four years coaching the safeties at Seton Hill University where he coached both the school's all-time tackles leader and the school's all-time interceptions leader. Before that, he spent a year coaching the outside linebackers at Becker College. Cottle graduated from Juniata in 2012 with a B.S. in Sports Management.