Arias took the ring in the afternoon session, facing Puerto Rico's Felix Rodriguez in his second bout of the tournament. The 18-year-old once again put forth a dominating performance, pounding Rodriguez effectively to the body en route to a 27-1 victory and a berth in the quarterfinal round. The 2006 Cadet World Championships silver medalist will face the Czech Republic's Ozkar Lakomy in quarterfinal round competition in the seventh bout of Wednesday's afternoon action.
Spence displayed a defensive masterpiece in his second round bout as well, defeating the Ukraine's Makarov Taras by a 15-1 margin to join four of his teammates in the quarterfinal round. Spence will compete in the eighth bout of Wednesday's evening action, taking on Uzebekistan's Boturjon Mahmudov for a spot in the medal round.
Spence and Arias join flyweight Adam Lopez (San Antonio, Texas), heavyweight Nicholas Kisner (Glen Burnie, Md.) and super heavyweight Joey Dawejko in quarterfinal action on Wednesday. Lopez will face the Dominican Republic's Orlando Felix Perez Zapata in the third bout of afternoon competition while Kisner takes on Kazakhstan's Ivan Dychko in the 10th bout of the evening session. Dawejko will close the day for the United States team in a match-up with Kazakhstan's Bauyrzhan Akshabay in the 11th bout of the evening session.
The two sessions will begin at 4 p.m. and 9 p.m. EST and AIBA is showing live scoring on their website at http://www.aiba.org/ throughout the tournament.