Italy defeated Mexico to advance in World Baseball Classic, while saving Team USA's tournament hopes with their crucial victory in Houston.

Mexico and the U.S. are on the brink of elimination in the WBC. Here is what you need to know about how each team can advance.

Gambling content 21+. The New York Post may receive an affiliate commission if you sign up through our links. Read our editorial standards for more information. Italy’s historic win over Team USA on Tuesday night turned the World Baseball Classic on its head

Vinnie Pasquantino became the first player in WBC history to hit three home runs in a game, and Italy finished pool play with a perfect 4-0 record. I

A shortstop flop benefited Team Italy early in a pivotal matchup with Mexico in Pool B play on Wednesday night. The Italians were ahead, 1-0, with one out in the bottom of the third when Mexico’s Joey Ortiz singled.

Team USA has to sweat out the results of Wednesday's Italy-Mexico game.

The U.S. improved to 3-0 and will meet Italy (2-0) on Tuesday night, seeking to secure a spot in the quarterfinals in Houston this weekend.