Here's the list of players in the last 50 years that have thrown for over 20 TDs and few than 5 INTs through 11 games (all 11 games played).

1.) Tom Brady (2010) 23 Tds, 4 int
2.) Matt Cassel (2010) 22 Tds, 4 int
3.) Brett Favre (2009) 24 Tds, 3 int
4.) Aaron Rodgers (2009) 22 Tds, 5 int
5.) Tom Brady (2007) 39 Tds, 4 int
6.) Drew Brees (2004) 21 tds, 3 int
7.) Donovan McNabb (2004) 23 tds, 5 int
8.) Rich Gannon (2001) 21 tds, 4 int
9.) Roman Gabriel (1969) 22 tds, 3 int