Make it two. I'm sure we'll have more company.
We're not talking about a one-time incident here. The guy has an extensive track record of domestic abuse. When OTL did a piece on him back in 2009, they outlined 13 incidents where police have been involved, including numerous domestic abuse calls.
The full time line is here.
This article mentions the 11 calls the Sheriff's office had about Marshall's home while playing in Denver. While only one resulted in an arrest (charges later dropped) and several weren't directly related to Marshall, it speaks to the type of people he associates with. It also includes police complaints made against him and his ex-GF in 3 different states.
But I'm the sociopath.