LAS VEGAS — Montana bull rider Jess Lockwood got bucked off for the first time at the Built Ford Tough Series Professional Bull Riders World Finals Saturday night at the T-Mobile Arena here.

Lockwood, who rode his first three bulls at the five-day event to become the first bull rider in PBR history to win the the opening three rounds at the World Finals, was bucked off in 6.78 seconds by High Test.

The 20-year-old cowboy from Volborg still has a chance to become the youngest PBR world champion in history. The World Finals conclude Sunday afternoon.

According to the PBR website, Lockwood is still the aggregate leader at the event with 900 points. Last year, Lockwood was the PBR Rookie of the Year.

Lockwood won four Built Ford Tough Series events during the regular season, including a major at Madison Square Garden to start the season.

The year-end champion receives a $1 million bonus, while the Finals average champion earns another $250,000.

Jose Vitor Leme has the second-most event points with 552.5 entering Sunday's final round. He won Saturday's round with 90.5 points on Big Dutch. 

Lockwood entered the World Finals ranked fourth, but is currently ranked No. 1 in the world heading into Sunday's competition. He led the world standings the first five weeks of the season.