Brady, 2007, age 30, first four games:
79.2% passing, 1,118 yards, 13 TDs, 2 INTs
5 rushes, 6 yards
Brady, 2016, age 39, first four games:
73.1% passing, 1,319 yards, 12 TDs, 0 INTs
10 rushes, 44 yards
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Brady’s first four games at age 39:
73.1% passing, 1,319 yards, 12 TDs, 0 INTs
Peyton Manning’s first four games at age 39:
63.6% passing, 968 yards, 6 TDs, 5 INTs
Joe Montana’s first four games at age 38 (his final season):
63.6% passing, 1,054 yards, 6 TDs, 5 INTs
Dan Marino’s first four games at age 38 (his final season):
59.3% passing, 1,080 yards, 6 TDs, 4 INTs
Steve Young’s first three games at age 38 (did not play again after Week 3):
53.6% passing, 446 yards, 3 TDs, 4 INTs
John Elway’s first four games at age 38 (his final season):
61.3% passing, 781 yards, 6 TDs, 2 INTs
Brett Favre’s first four games at age 39:
70.2% passing, 935 yards, 12 TDs, 4 INTs
Johnny Unitas’ first four games at age 39:
56.5% passing, 947 yards, 3 TDs, 4 INTs
Warren Moon’s first four games at age 39:
62.7% passing, 878 yards, 6 TDs, 3 INTs