GP, the goal is to win. Winning in a flashy manner is fun, but securing the win is the first consideration.
That said, I wouldn't be too nervous about starting Brad Johnson, in general, as he makes few mistakes.
I'd be most likely to bench a Def rather than an offensive player.
"When I am on the plane, ideas just come to my mind. It could be the altitude, it could be the idleness, but most likely it is caused by free alcohol." --Alexander Baburin, Chess Grandmaster