Looks to me like a match-up between two pretty equally talented teams, where you would expect either team could win depending on how the ball bounces that night? I realize your club was at home, but I'd say the match-up was close enough that it's not crazy he pulled off a road win.
Closest thing to a specific reason for the loss I can think of would be the bad shooting night Nixon had, which might have been partly due to GS (respectable), or could have been just been one of those nights.