LAS VEGAS - Douglas Ferreira had the highest score of the 2011 Built Ford Tough World Finals so far, with 91 points on Smackdown (Dakota Rodeo/Chad Berger/Struve/Rosen) to win Round 3 and $25,000 on Friday at the Thomas & Mack Center. 

Caleb Sanderson continues to lead the World Finals event with 260.75 points. Sanderson has led or been tied for the lead each of the three days thus far, and won Round 1 outright. J.B. Mauney is in second place with 247 points. Sanderson and Mauney are the only two riders who are a perfect three-for-three in the event.

Round 4 begins at 6 p.m. on Saturday. Tickets are available at the Thomas & Mack Center box office, www.UNLVTickets.com, and by telephone at (866) PBR-SHOW.

Silvano Alves continues to lead the PBR World Championship standings with 12,974.25 points. He is two-for-three at the World Finals, after riding Yo Yo (Cornwell Bucking Bulls) for 82.75 points to finish ninth in the round on Friday. Valdiron de Oliveira is in second place in the world standings with 10,987.25 points, and Robson Palermo is in third place with 9,439.75 points.

In the first of two rounds of competition for World Champion Bull, top-ranked Bushwacker (Julio Moreno/Richard Oliveira) took the lead with the highest bull score of the season - 48.5 points. Asteroid (Circle T Ranch & Rodeo) is in second place with 47.5 points, followed by RMEF Gunpowder & Lead (Jeff Robinson Bucking Bulls) with 46.25 points, and Smackdown  with 45 points.

Bushwacker is 13-0 on the Built Ford Tough Series this season, extending his buckoff streak to 25 riders in a row, and 27-1 all-time in BFTS outs. Asteroid had been the high-marked bull in his past four BFTS events, including Tulsa, Okla., San Antonio, and Springfield, Mo., where he outscored Bushwacker.

Smackdown has bucked off 15 riders in a row to improve to 15-1 in 2011, and 30-5 overall in BFTS events since 2009. RMEF Gunpowder & Lead has produced six round wins, including four in Built Ford Tough Championship Rounds, and has been responsible for three of the Top 4, and five of the Top 20 ride scores in 2011.

The 2011 World Champion Bull will be the bull who accumulates the highest total bull score from Friday's Round 3 and the Built Ford Tough Championship Round on Sunday.

The World Finals consist of six rounds of competition, featuring the Top 40 bull riders and the best bulls in the world. The first five rounds feature all of the riders. The scores from the five rides will be combined, and the Top 15 riders will advance for an additional round of competition following the completion of Round 5 on Sunday, Oct. 30. The rider with the highest total score for the six rounds will earn the PBR Built Ford Tough World Finals event title and $250,000.

The World Champion will be the rider with the most Built Ford Tough Series points accumulated during the regular season and the World Finals.

The World Finals have a total purse of $2.2 million, including a $1 million bonus to the 2011 PBR World Champion, who also receives the coveted World Champion buckle.

The 2011 PBR World Finals will be televised live in HD on VERSUS at 9 p.m. ET on Saturday, and on NBC at 4 p.m. ET on Sunday. DIRECTV will have the first-ever 3D broadcast of bull riding at 4 p.m. ET on DIRECTV's 3D channel, n3Dâ„¢ (channel 103).