Bill Goldberg, Bret “The Hit Man” Hart, Ric “Nature Boy” Flair and “Mr.Monday Night” Rob Van Dam are among the 30 professional wrestlers appearing at the Legends of Wrestling Sunday, June 7 at Citi Field. Tickets start at $25 and can be purchased online at http://www.Mets.com/Wrestling or by calling 718-507-TIXX beginning Friday, February 27th at…