No deal in the history of the NFL has been more awful than the one the Broncos made to get Russell Wilson ... at least, that's according to ex-NFL general manager Michael Lombardi, who tells TMZ Sports Denver's trade for the QB "is going to go down as the all-time worst."
The former Cleveland Browns decision-maker didn't mince words when discussing Wilson's benching with us this week ... explaining he believes the Broncos' 2022 swap with the Seahawks will now go down as a historic blunder.
"When you add the contract and the trade," Lombardi said, "it's the worst of all time.