The Arizona Diamondbacks weren't around when bullpen carts stopped being used by Major League Baseball teams.
Arizona Diamondbacks becoming first MLB team to bring back bullpen cart
March 6, 2018
Diamondbacks bringing back the bullpen cart in 2018
▶ Rumble - on March 7, 2018 00:20
D-backs Spring Training Report: The bullpen cart is back
▶ FOX Sports - Affiliate - on March 6, 2018 02:13