Burrow put up comparable stats to Mahomes and Allen while taking snaps behind a line of turnstiles. He was more accurate and had fewer overall turnovers than either of them.
Burrow 2021 stats: 16 games | 70.4 pct | 4,611 pass yds | 8.9 ypa | 34 pass TD | 14 INT | 118 rush yds | 2 rush TD | 5 fumbles
Mahomes 2021 stats: 17 games | 66.3 pct | 4,839 pass yds | 7.4 ypa | 37 pass TD | 13 INT | 381 rush yds | 2 rush TD | 9 fumbles
Allen 2021 stats: 17 games | 63.3 pct | 4,407 pass yds | 6.8 ypa | 36 pass TD | 15 INT | 763 rush yds | 6 rush TD | 8 fumbles
Herbert 2021 stats: 17 games | 65.9 pct | 5,014 pass yds | 7.5 ypa | 38 pass TD | 15 INT | 302 rush yds | 3 rush TD | 1 fumble
The two old men, for reference
Brady 2021 stats: 17 games | 67.5 pct | 5,316 pass yds | 7.4 ypa | 43 pass TD | 12 INT | 81 rush yds | 2 rush TD | 4 fumbles
Rodgers 2021 stats: 16 games | 68.9 pct | 4,115 pass yds | 7.7 ypa | 37 pass TD | 4 INT | 101 rush yds | 3 rush TD | 3 fumbles