AP Source confirms Bills fire offensive line coach Castillo

ORCHARD PARK, N.Y. (AP) — A person familiar with the Buffalo Bills’ decision confirms the team has fired offensive line coach Juan Castillo.
The person spoke to The Associated Press on Wednesday on the condition of anonymity because the Bills have not announced the move. CBSSports.com first reported Castillo’s firing Tuesday.
Castillo also oversaw the running game during his two seasons in Buffalo. Both the offensive line and LeSean McCoy-led running game struggled in contribut