From WalterFootball:
Home Favorites:
Chad Pennington (-6), NYJ, 2002: Win ATS, Win SU
Marc Bulger (-7), STL, 2003: Loss ATS, Loss SU
Trent Green (-3.5), KC, 2003: Loss ATS, Loss SU
Drew Brees (-5.5), SD, 2004: Loss ATS, Loss SU
Ben Roethlisberger (-8.5), PIT, 2004: Loss ATS, Win SU
Chris Simms (-2.5), TB, 2005: Loss ATS, Loss SU
Eli Manning (-3), NYG, 2005: Loss ATS, Loss SU
Rex Grossman (-3), CHI, 2005: Loss ATS, Loss SU
Philip Rivers (-4.5), SD, 2006: Loss ATS, Loss SU
Jay Cutler (-10), CHI, 2010: Win ATS, Win SU
Matt Schaub (-4.5), HOU, 2012: Win ATS, Win SU
Colin Kaepernick (-3), SF, 2012: Win ATS, Win SU
Nick Foles (-3), PHI, 2013: Loss ATS, Loss SU
Dak Prescott (-5), DAL, 2016: Loss ATS, Loss SU
Jared Goff (-6), LAR, 2017: Loss ATS, Loss SU
Blake Bortles (-8), JAX, 2017: Loss ATS, Win SU
Case Keenum (-5.5), MIN, 2017: Loss ATS, Win SU
Home Underdogs:
Anthony Wright (+1), BAL, 2003: Loss ATS, Loss SU
Carson Palmer/Jon Kitna (+3), CIN, 2005: Loss ATS, Loss SU
Tarvaris Jackson (+3), MIN, 2008: Loss ATS, Loss SU
Matt Cassel (+3), KC, 2010: Loss ATS, Loss SU
Tim Tebow (+8.5), DEN, 2011: Win ATS, Win SU
Alex Smith (+3.5), SF, 2011: Win ATS, Win SU
Cam Newton (+2), CAR, 2013: Loss ATS, Loss SU
Road Favorites:
David Garrard (-2), JAX, 2007: Push ATS, Win SU
Matt Ryan (-1), ATL, 2008: Loss ATS, Loss SU
Joe Flacco (-3.5), BAL, 2008: Win ATS, Win SU
Aaron Rodgers (-1), GB, 2009: Loss ATS, Loss SU
Road Underdogs:
QB Falcons No. 7 (+6.5), ATL, 2002: Win ATS, Win SU
Matt Hasselbeck (+7), SEA, 2003: Win ATS, Loss SU
Byron Leftwich (+8), JAX, 2005: Loss ATS, Loss SU
Tony Romo (+2), DAL, 2006: Win ATS, Loss SU
Todd Collins (+4), WAS, 2007: Loss ATS, Loss SU
Vince Young (+10), TEN, 2007: Loss ATS, Loss SU
Mark Sanchez (+2.5), NYJ, 2009: Win ATS, Win SU
Matthew Stafford (+10.5), DET, 2011: Loss ATS Loss SU
Joe Webb (+10), MIN, 2012: Loss ATS, Loss SU
Andrew Luck (+7), IND, 2012: Loss ATS, Loss SU
Ryan Lindley (+6.5), ARZ, 2014: Loss ATS, Loss SU
Matt Moore (+11), MIA,2016: Loss ATS, Loss SU
Connor Cook (+4), OAK, 2016: Loss ATS, Loss SU
Marcus Mariota (+8), TEN, 2017: Win ATS, Win SU
Tyrod Taylor (+8), BUF, 2017: Win ATS, Loss SU
To sum it up:
Home favorites: 4-13 ATS, 7-10 SU
Home underdogs: 2-5 ATS, 2-5 SU
Road favorites: 1-2-1 ATS, 2-2 SU
Road underdogs: 6-9 ATS, 3-12 SU
Combined Record: 13-29-1 ATS, 14-29 SU
Not taking this as gospel, just sharing.