The official scorer and the umpires monitor Mound Visits Remaining by each team during the game. The scoreboard also indicates the number so that everyone is knowledgeable about it. In this manner, coaches, players, and fans will have an easy time following. For those wondering “What does MVR in baseball mean?”, it is short for Mound Visits Remaining. The number decreases each visit, and after the maximum is reached no more visitations are allowed unless in case of injury or changed pitching.