He was most recently the head baseball coach at West Virginia University, a position he had held from 2013 until 2024.

He was the head coach of Charleston Southern from 1994 to 1996 and East Carolina from 2003 to 2005, leading both teams to NCAA Division I Tournament appearances.

[1][2] After seven years as an assistant at TCU, Mazey was named the head coach at West Virginia in July 2012.

[3][4] Mazey was named the Big 12 Conference Baseball Coach of the Year in 2019 and 2023.

[5] Below is a table of Mazey's yearly records as a head baseball coach.