The bizarre history of the bullpen cart is why you should be so happy it's back By Michael Clair | March 9, 2018 This browser does not support the video element. [Empty Body] More from MLB.com Baltimore Orioles at Arizona Diamondbacks Preview - 04/07/2025 Arizona Diamondbacks at Washington Nationals Preview - 04/06/2025 Arizona Diamondbacks at Washington Nationals Game Story, Scores/Highlights - 04/06/2025 Tim Tawa records hit, RBI for Diamondbacks in MLB debut Ketel Marte injured list with strained left hamstring