I thought that too.
"Look, this is not going to affect your position on the team, but I'd like you to establish right now whether you're going to be with her through this or whether you're not."
"Coach, I'm not going to marry her."
Sal, you didn't have to marry her. You were asked if you would stand by her.
I don't care if he was 20 or 21 or however old he was. He was a grown man, an adult. He needed to make an adult decision, and he failed.
Maybe he made up for it in some way by acknowledging the child and by apologizing to Kristy for the way things had transpired. If he did, that's great. It doesn't change that he treated her like ****.