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Welterweights Santiago Ponzinibbio and Kamaru Usman to headline UFC Fight Night

A welterweight matchup between Santiago Ponzinibbio and Kamaru Usman has been pegged to headline UFC Fight Night on May 19 in Chile.

The UFC announced the 170-pound bout on Saturday. The event will take place at Movistar Arena in Santiago and is the promotion's first trip to Chile.

Ponzinibbio (26-3), of Argentina, is on a six-fight win streak. The 31-year-old has finished three of those by knockout, including a first-round stoppage over Gunnar Nelson last June.

Usman (12-1) is 7-0 in the UFC. The former collegiate wrestler's most recent performance was a decision win against Emil Meek in January.

Usman now trains out of South Florida.