However, the players will finally get a chance for live action as they face the Buffalo Bills in the first preseason game.
Much of the discussion was inaudible from the video, but Newton did follow an agitated Benjamin as he attempted to walk away from the Panthers quarterback.
After Benjamin's comments were published, McDermott expressed disapproval, saying Sunday (via ESPN), "There's a time and a place - I'm not saying specific to what comments were made - there's a time and place for things like that".
"If you would've put me with any other QB, let's be real, you know what I'm saying?"
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Sanchez spent second half of last season on loan at Espanyol and his contract with Fiorentina expires at the end of next season. West Brom have also been interested in Sanchez, but look to have been beaten to the punch by West Ham .
"I ain't gonna go back and forth with him, I'm just gonna work", Newton said.
Benjamin had plenty to say in an interview that came out last Saturday, calling his tenure in Carolina a "bad fit from the get-go" and speculating he might have been more successful had he played with "any other quarterback". "I should've never went to Carolina".
Newton later waved off Benjamin in apparent frustration before the two parted ways for the remainder of warmups.
Benjamin and Newton spent over three years as teammates with the Panthers.