TIME TO LOCK IN TMZSports.com
Calvin Johnson -- a guy who knows a thing or two about great wide receiver play -- is loving what Amon-Ra St Brown's doing this year ... telling TMZ Sports the Lions wideout is helping keep the NFC's top seed on track!
We caught up with the legendary Detroit receiver ahead of his former team's Divisional Round matchup against Jayden Daniels and the Commanders ... and he gushed over ASB.
He told us that while Dan Campbell deserves a whole lot of credit for getting things going in the Motor City .