I saw this stat while reading an ESPN article comparing Brady and Manning.
From ESPN – ” Between them, they have won four Super Bowls, three Super Bowl MVP awards and six league MVPs. In the bottom-line category of winning games — a quarterback’s first responsibility — they are virtually unparalleled. Since the 1970 merger, Brady is history’s best in career winning percentage (.773), and Manning (.697) is third. They are separated only by a guy named Joe Montana. Incredibly, Brady could lose 15 consecutive games — nearly a full regular season — and still have a better percentage than the second-place Montana.”
That’s crazy. So Brady could literally throw away a season and still have the best winning percentage ever.