I am from the Cleveland area and know about the story, but do not work in his association. They are in the Akron area.
Apparently, the umpire had a "fight or flight" moment and grabbed the collar of the coach before anything else happened. Not saying I agree he should have got his *** kicked, but thats the entire story.
http://www.newsnet5.com/news/4687573/detail.html
See the sixth paragraph.