(AP) — Camden Coleman threw three touchdown passes, and George Pettaway rushed for two scores and a career-high 206 yards to lead unbeaten James Madison to a 45-17 victory over Marshall on Saturday in the Thundering Herd's Sun Belt Conference opener.Coleman completed 21 of 32 passes for 263 yards for James Madison (5-0, 2-0), which fell behind for the first time this season before scoring 28 straight in the final 12 minutes of the second quarter.