Writers of Pro Football Prospectus 2008  13 Oct 2009  ESPN Any
Given Sunday: Falcons over 49ers  by Vince Verhei  The linked
article talks about which leg of the defense/running game/game
manager tripod is letting San Francisco down. It explains why
Shaun Hill has been effective despite a negative DVOA, but it
doesn't go into one weakness of his game: a reliance on
checkdowns that is inflating his traditional statistics but
hurting his DVOA.  In DVOA, plays are considered successful if
they pick up 40 percent of the needed yardage on first down, 60
percent on second down, and 100 percent on third or fourth down.
Hill has completed 30 passes that have failed to pick up
meaningful yardage. That's tied for second in the league. Number
one shouldn't be a surprise. Hey there, Trent Edwards.  Most
Failed Completions, 2009 Player Team Failed Completions
5-T.Edwards BUF 32 8-M.Schaub HOU 30 13-S.Hill SF 30
18-P.Manning IND 29 7-M.Cassel KC 29 4-B.Favre MIN 28 8-K.Orton
DEN 27 9-M.Stafford DET 25 5-K.Collins TEN 25 9-