Are bat warmers legal? I was told by an umpire that you will be ejected from sanctioned senior tournaments if you use them. He claimed it alters the bat. When it's 45 or 50 degrees the bat warmers work. Anyone know the rule?
See this thread:
A response from SSUSA is included
https://seniorsoftball.com/?messageboard&viewby_thread=70441&message_topic_id=rules