Welcome to SportsNation! On Tuesday, we're going inside the boxing ring when Nonito Donaire stops by to chat about his super bantamweight title defense this weekend.

Donaire (29-1, 18 KO) takes on Toshiaki Nishioka (39-4-3 24 KO) for Donaire's IBF and WBO belts. The fight will take place at the Home Depot Center in Carson, Calif. Saturday at 10 p.m. ET/PT on HBO's Boxing After Dark.

Donaire, @filipinoflash, is making his second super bantamweight title defense, having gone up in weight class after two title fights at bantamweight. The only loss of his career came in the second professional fight of his career.

Send your questions now and join Donaire Tuesday at 2 p.m. ET!

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