Bill Butler wanted to protect his field. Instead, a tarpaulin dispute turned heated and he became part of baseball lore — a groundskeeper who got ejected. "It was a little bit shocking," Butler said by telephone Saturday. "I couldn't really believe it." Players and managers are regularly tossed from ballgames, and even mascots and broadcasters have been thrown out. But there was no apparent record of anything like this. The episode happened Friday night in Lakewood, N.J., where the BlueClaws were playing Kannapolis in the Class A South Atlantic League. The weather had been spotty for a few days and...