This statistic I created is exactly what its name says it is: a ratio between bases made and runs scored. The formula is: BRR = (SLB + SB) / R ...SLB = Slugging Bases = (1*1B) + (2*2B) + (3*3B) + (4*HR) ...SB = Stolen Bases ...R = Runs Scored Let's look at Derek Jeter and Alex Rodriguez and their BRRs, with BRRPAs (BRR per Plate Appearance) in parentheses, over the last four years. JETER 2006 - 2.839 (0.024) 2007 - 2.980 (0.029) ...