Rob Weissheier begins his professional career with the ThunderBolts in 2021. He signed as a free agent on July 7, 2021 out of Hofstra University. Rob was a five-year player for the Pride, hitting a combined .260 with a .361 on-base percentage and 25 homers in 173 games.
As a senior in 2020, he got off to a blistering start, batting .361 through nine games before the coronavirus pandemic forced an early end to the season. His best full year in college came in 2021, when he hit .295 with a .427 on-base percentage. He matched his career-high with eight home runs and drove in a career-best 34 runs. Rob attended Kellenberg Memorial High School in Uniondale, New York.