Generations ago, almost every ballplayer measured his performance with the traditional stats. That's average, home runs and RBIs for hitters; wins, ERA and strikeouts for pitchers.
But the alphabet soup of modern metrics — BAPIP, WHIP, WAR, UZR, ERA+, R-Field — makes it hard to know what a player might value.So we put the question to some Giants this spring: What numbers matter to you? BRANDON BELT, first basemanBatting average on balls put in play: "That tells me a lot. If my BAPIP is good, I feel like I'm having a lot of line drives. That's important for me.