It's only been one game, but former Vikings star Robert Smith is super impressed withJ.J. McCarthy ... telling TMZ Sports he thinks Minnesota's new signal-caller "looks like the total package."
The ex-Vikes tailback heaped nothing but praise on the 22-year-old just one day after he came from behind to beat the Bears in his "Monday Night Football" debut ... saying after just four quarters, it appears his old team made the correct call to move on from Sam Darnold.
"It certainly looks like the right move," he told us.