If you so much as mention the acronym "RBI" in the wrong baseball circles these days, you run the risk of being ridiculed. Because RBI is such an opportunity-driven statistic, it is no longer viewed as an accurate measurement of a player's overall value.J.T. Realmuto didn't have any control over the on-base percentages of the players hitting before him in a dreadful 2018 Marlins lineup. By the same token, J.D. Martinez is not responsible for the fact that he got to hit behind exceptional players[...]