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In the 2007 season, with McDaniels at the helm of the offense, the Patriots set NFL records, scoring 75 touchdowns (67 on offense, 50 passing and 17 rushing) and 589 points, leading to rumors that McDaniels might leave the Patriots for a head coaching job.[10] McDaniels withdrew his name from consideration, however, during the Patriots' January 2008 playoff run. Shortly after the Patriots' loss in Super Bowl XLII, Patriots head coach Bill Belichick gave McDaniels a five-page typed report on what it takes to be an effective head coach and run a winning organization, which McDaniels termed "his bible." Throughout the 2008 season, the two would meet to discuss the report and allow McDaniels to ask non-coaching questions that he brought to later head coaching interviews.[11]
Starting quarterback Tom Brady suffered a season-ending injury in Week 1 of the 2008 season. McDaniels directed the Matt Cassel-led Patriots' offense as the team finished the season with an 11–5 record."