Ronda Rousey
Runners-up: Jason Day, Usain Bolt, Jake Arrieta.
2/3 of the year down; it's an unsual year given the number of women (and a horse) this will be the fewest number of male (human male) contenders for Athlete of the Year in the over a quarter century I've been doing this.
January - Marshawn Lynch
February - Malcolm Butler
March - Breanna Stewart
April - Steph Curry
May - Floyd Mayweather
June - American Pharoah
July - Serena Williams
August- Ronda Rousey
