The first sports event at the Las Vegas Sphere produced the highest gross revenue for both the venue and UFC, as Saturday night’s 10-fight showcase pulled in $22 million in revenue, according to UFC.

UFC 306 featured a bantamweight title fight in which defending champion Sean O’Malley was defeated by Merab Dvalishvili and co-headlined a women’s flyweight title fight in which Valentina Shevchenko won the third of a trio of bouts between her and Alexa Grasso.

The UFC night was the first sporting event held at the Sphere, which opened a little less than a year ago. The showcase sold out the 16,024 tickets made available.

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