Andy Ruiz is one the best young fighters who have yet to turn pro, something he hopes to do soon. Check out the video of him sparring:
Elie Seckbach's:
1. Alexsander Usyk 2. Vasyl Lomachenko 3. Terence Crawford 4. Mikey Garcia 5. Errol Spence Jr 6. Deotay Wilder 7. Canelo 8. GGG 9. Naoya Inoue 10. Anthony Joshua