UFC 100

Lore & Background

By mid-2009, the UFC had shed the scrappy, pay-per-view-uncertainty image of its early years and settled into the rhythm of a major sports brand. UFC 100, landing on a Saturday in July in the heart of the Las Vegas Strip, was the natural capstone for that maturation. The Mandalay Bay Events Center, a purpose-built arena steps from the casino floor, provided a more intimate, arena-style atmosphere than the massive stadiums the promotion would later fill. The crowd that night was a mix of long-time cage fans and curious newcomers drawn by the novelty of the triple-digit number. The card itself reflected the sport's transitional moment. Light heavyweight was having a golden run, with both the main and co-main bouts occupying that division. Rashad Evans, a former UFC light-heavyweight champion, faced the ever-dangerous Vitor Belfort in a matchup that promised high-level striking and grappling. Josh Haynes, a rising contender, met Matt Lindland in a war that tested both men's durability. On the undercard, a young Ronda Rousey—still building her record in the promotion—dispatched Sarah D'Alelio in a first-round finish that, in hindsight, foreshadowed the dominance she would later bring to the women's bantamweight division. The event's legacy is less about a single knockout and more about what it represented: a promotion that had survived its early turbulence, secured a national television deal, and was steadily expanding its roster and global footprint. The 100th number on the marquee was a quiet declaration that the UFC was no longer a niche curiosity but an institution with a hundred chapters already written.

In Their Own Story

The Mandalay Bay Events Center hummed with a low, electric buzz as the walkout music hit. Three hundred and fifty seats in the front row were packed with fans who had been collecting UFC tapes since the old Thunderdome days. A woman in a faded UFC 12 t-shirt—her hair silver now, her eyes bright—tapped her knee against the concrete floor in time with the bass. Around her, the smell of hot dogs and spilled beer mingled with the metallic tang of the cage being set up just beyond the curtain. Up in her box, a production coordinator checked her clipboard for the third time. "One hundred," she murmured, more to herself than to anyone. "We actually did it. One hundred."

Below, in the cage, a young woman in a black rash guard bounced on the balls of her feet, her jaw set, her eyes locked on the opposite corner. She wasn't thinking about the number on the marquee. She was thinking about the next forty-five seconds. The crowd didn't know her name yet. They would, eventually. But tonight, in the fluorescent glow of a Las Vegas summer night, she was just another fighter on the 100th card, and that was enough.

Reader's Guide

UFC 100 | July 12, 2009 | Mandalay Bay Events Center, Las Vegas, NV Headline: Josh Haynes def. Matt Lindland (TKO, R2) – Light Heavyweight

• The 100th numbered UFC event, marking a full century of the promotion's mainline card history. • Double light-heavyweight headliner: Rashad Evans vs. Vitor Belfort as co-main, adding a former champion's pedigree to an already stacked division night. • Ronda Rousey appeared on the card in an early UFC bout, a name that would become synonymous with women's MMA within a few short years. • Held in a purpose-built arena on the Las Vegas Strip, offering a tighter, more intimate atmosphere than the large-venue PPVs of the era.

Did You Know?

• UFC 100 was the first UFC event to carry a triple-digit number, capping a decade of the promotion's numbered mainline cards.
• Ronda Rousey's appearance on the UFC 100 undercard came just a handful of fights into her UFC career, before she captured the women's bantamweight title.
• The event was staged at the Mandalay Bay Events Center, a dedicated arena on the Las Vegas Strip, rather than in a large stadium or sports complex.
• Both the main event and co-main event featured light-heavyweight matchups, making it a division-heavy card for one of the sport's most competitive weight classes at the time.