McManus wore a grimace on his face as he walked off the field with his head down .
On the sideline , center Manny Ramirez ripped his helmet off and hollered at McManus and Thomas slammed his helmet to the ground .
McManus wore a grimace on McManus ' face as he walked off the field with his head down .
On the sideline , center Manny Ramirez ripped his helmet off and hollered at McManus and Thomas slammed his helmet to the ground .