Sponsorable, Energy Efficent, Very Retro, Is The Bullpen Cart (or Car) On The Way Back?
First it was the Diamondbacks announcing in spring training, and now the Tigers have gone retro; the bullpen car, or cart, is making a comeback in Major League Baseball (and probably MiLB) in some spots as well. The DBacks sponsored, 20th anniversary cart should be a fixture soon, while the Tigers rolled out their sponsored …