https://www.cbssports.com/nhl/news/d...-assault-case/
According to this article the things we know are that he left marks on her chest, she admitted he "gets handsy" sometimes. She pleaded with officers to not arrest him for fear it would hurt his NHL career.
More than all of that, he was part of a campaign to end violence against women, meanwhile behind closed doors, he's being violent with his own partner.
IMO, it's the last bit that was his nail in the coffin.
However, if he was found guilty, he would be in jail so yeah, he would've lost a LOT more than the wages from 27 games. He pled no contest to get out of jail time.
As an aside, how is a domestic assault a misdemeanor? That's disgusting.