FBO: Numbers Crunching, Week 4

Brett Favre's magic has the Vikings ranked eighth in the NFL in the final 15 minutes. Jonathan Daniel/Getty Images

Each week, Football Outsiders takes a look at every game on the NFL schedule with a mix of interesting numbers and in-depth statistical analysis. Much of the analysis is based on DVOA, which takes every single play during the season and compares it to the league average based on situation and opponent. DVOA and Football Outsiders' other advanced stats are explained
. Remember that 2009 numbers are based on very small sample size and do not yet include opponent adjustments.