Buffalo Bills fire offensive line coach Juan Castillo, per report

The Buffalo Bills have fired offensive line coach Juan Castillo, according to NFL insider Jason La Canfora. He becomes the first casualty of the 2019 offseason.

While many would say Castillo was saddled with sub-par talent on the offensive line, you could also argue that he was working with lots of NFL experience at his disposal. Buffalo signed Russell Bodine and Marshall Newhouse last offseason and drafted Wyatt Teller to solidify the offensive line, but they could not gel this year in the wake of the loss of Eric Wood and Richie Incognito.

Buffalo was 21st in rushing yards per attempt in 2018 at 4.2 a figure that was unacceptable to head coach Sean McDermott. That number was buoyed by Josh…