0027名無しさん@恐縮です
2019/08/10(土) 09:47:50.14ID:K7330EeF00.96 男子テニス
0.94 女子テニス
0.61 MLB
0.56 NFL
0.52 NBA
0.41 MLS
https://theconversation.com/amp/rich-rewards-for-those-at-the-top-in-tennis-but-what-of-the-rest-35961
http://harvardsportsanalysis.org/2014/01/measuring-salary-inequality-across-major-sports-leagues/