Ritchey is the winningest coach in the Sweetwater High School football history. He coached at Sweetwater for 12 years, leading the Mustangs to 11 playoff appearances, and a 120-24-2 record. His teams twice reached the state semifinals. In his final season before retiring, his Mustangs were 13-1 and lost to state finalist Denison in the state quarterfinals. His career coaching record is 208-64-7, which included stints at Fort Stockton and Idalou.