Former York Revolution Pitcher Zac Grotz Impressive in Fireflies’ Debut June 16, 2018June 16, 2018 by jdelpriore1, posted in baseball, Minor League Baseball, New York Mets, SPORTS Mets' recent signee, out of the independent Atlantic League, pitches 7.2 innings of stellar ball. Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestLike this:Like Loading...