GGG vs. Derevyanchenko, Claressa Shields, Avni Yildirim Fails Test | Fightful Boxing Podcast 10/3/19

Carlos Toro of Fightful.com returns with a full preview of the big fights this weekend.

- GGG vs. Derevyanchenko Preview

- Shields vs. Habazin Preview

- Hear from Gennadiy Golovkin, Claressa Shields, Sergiy Derevyanchenko and more!

- Avni Yildirim Fails Drug Test

- A brief chat about Hiroto Kyoguchi vs. Tetsuya Hisada