wRC+
Weighted runs created plus — total offensive value vs league avg, where 100 is average.
What wRC+ means
A single number that says how much better or worse a hitter has been than average. 130 = 30% above average, 80 = 20% below. Park-adjusted.
What counts as a good wRC+
Higher is better — roughly 90 is poor, 100 average, 115 good, and 140 or better elite.
Also written
wrc_plus · wrc_plus_pct
Source
FanGraphs