WATCH LIVE: USA’s Claressa Shields goes for second gold; Three other title fights

Photo by Sean M. Haffey/Getty Images

American boxer Claressa Shields goes for back-to-back golds as one of four gold medal bouts in Rio on Sunday.

The Netherlands’s Nouchka Fontijn is her opponent, and the fight will kick off the quartet.

WATCH LIVE: Boxing gold — 1 p.m. EDT

Shields is a perfect 6-0 through her first two rounds of Olympic fighting this year.

Afterwards, we’ll see Uzbekistan’s Shakhobidin Zoirov vs. Russia’s Misha Aloian, Uzbekistan’s Fazliddin Gaibnazarov vs. Azerbaijan’s Lorenzo Sotomayor Collazo, and the super heavyweights: France’s Tony Yoka and Great Britain’s Joe Joyce.