[MRM]

Rose committed the worst sin possible. He bet on games as a player and manager. He bet on his own team. And he got in over his head and was in hot water with his bookie. Then he bet more on his own team.

Steroid users are a threat to the game to, but at least with them you know they were trying to perform their best. Gamblers are a risk to the game because you don't know that they're trying their best and they have a strong temptation to fix outcomes. That's why gambling is a bigger sin than steroids.