Cincinnati’s protection unit came through when they needed it most. CINCINNATI — The Bengals’ offensive line played a great game on Sunday as the team ran for 172 yards and controlled the line of scrimmage all afternoon. Buffalo had little success rushing the passer without defensive end Von Miller and defensive tackle DaQuan Jones. The Bengals Achilles heel was a strength in the win, prompting some deserved love from offensive line coach Frank Pollack. “Guys I am so f****** proud of you,” Pollack said on the sideline. “You guys balled your asses off. The whole world doubted you guys and…