Since Rob Gronkowski entered the league:

Tom Brady averages a passer rating of 102.9 when he's active, and a passer rating of 88.9 when he's out.

For perspective, Ben Roethlisberger has a passer rating of 88.9 this season. pic.twitter.com/eHLqjokrHd

— Scott Barrett (@ScottBarrettDFB) December 1, 2021