Benjamin added that he had been clocked as high as a 4.41, which would have ranked fifth among 2014 wide-receiver prospects.
The sentiment is sure to put a smile on the faces of Panthers fans, but it strains credulity that a prospect would tank a combine drill and risk losing millions of dollars.
Pro Football Talk reports, via a Panthers source, Benjamin was merely joking about sandbagging the 40.
"Wasn't even close to being serious," the source added. "Didn't know he was being interviewed for a story."
"His role on this team has far surpassed any type of rookie's expectation," Newton said.
Speedy or not, Benjamin's heroics have already captured the imagination of one of America's most dynamic athletes: