TULSA, Okla. - Chase Outlaw of Arkansas is the leader after the first day of the Express Classic Presented By WinStar World Casino with 178 points. 2009 PBR World Champion Kody Lostroh is in second place with 176.75 points.

Round 3 and the Built Ford Tough Championship Round will begin at 7 p.m. on Saturday at the BOK Center. Tickets begin at $12, and are on sale at the Arby's Box Office at the BOK Center, www.BOKCenter.com, Tickets.com outlets and by telephone at (866) 7-BOKCTR.

The championship round on Saturday will feature the top two bucking bulls in the world, Asteroid and Bushwacker. It will be the ninth time in the last two seasons that the top two contenders for PBR World Champion Bull have competed head-to-head. The defending World Champion Bushwacker has bucked off 42 riders in a row, while 2012 runner-up Asteroid has a streak of 15 consecutive buckoffs, including 10 in 2012.

Saturday will also be the last chance for fans in Tulsa to watch two-time PBR World Champion Chris Shivers, who is ninth with 83.50 points. Shivers announced in February that he would retire at the end of the season. The 33-year-old won the PBR World Championship in 2000 and 2003, and ranks third in career earnings with more than $3.9 million.

Outlaw rode Scout (Corder Bucking Bulls) for 88.75 points to win Round 1, and Red Hot (D&H Cattle Co./Harrison) for 89.25 points to finish second in the Built Ford Tough Short Round. Lostroh won the short round with 90.25 points on Jack Daniel's After Party (Circle T Ranch & Rodeo) after tying for fifth in Round 1 with 86.5 points on Joker (Schroeder Ranch).

Home-state favorite Ryan Dirteater, Justin Koon from nearby Arkansas, and Mason Lowe from Missouri are tied for third place with 87 points.

The BFTS is having one of the tightest title races in history with less than 800 points separating the Top 3 riders in the world when the event began. Valdiron de Oliveira, who is 11th in Tulsa, has been the top-ranked rider for six straight weeks, and 10 times in the first 18 weeks.

The first 19 events of the season have produced 16 different winners with the only multiple winners being Mauney (three wins), and Alves (two wins). Mauney posted his three victories in the first 12 events before his injury.

Bass Pro Shops at 101 Bass Pro Drive in Broken Arrow, Okla., will host PBR Fun Day on Saturday from 10 a.m. to 3 p.m. Family-friendly activities include bull roping, and a mechanical bull. PBR entertainer extraordinaire Flint Rasmussen will host his "Outside The Barrel" show from 11-11:45 a.m. PBR riders will sign autographs from 11:30 a.m. to 1 p.m. PBR in-arena announcer and experienced angler Clint Adkins will host a fishing seminar at 1 p.m., while Brandon Bates, an announcer for the PBR who is also the host and executive producer of Rocky Mountain Elk Foundation's "Team Elk" on the Outdoor Channel, will host a hunting seminar at 1:30 p.m.

NBC Sports Network will broadcast Round 3 and the Built Ford Tough Championship Round live in HD at 8 p.m. ET on Saturday, Aug. 11, with an encore airing at 11 p.m. ET on Saturday, Aug. 11. Veteran broadcaster Craig Hummer will provide the play-by-play. Color commentary will be provided by PBR Ring of Honor member J.W. Hart, and dirt-level interviews will be handled by Leah Garcia.

American Bucking Bull, Inc. will be hosting the second competition for the Back Seat Buckers on Saturday from 9 a.m. to 12 p.m. at the BOK Center. Back Seat Buckers bulls are yearlings competing for $25,000 with a 25-pound mechanical dummy. The event is free and open to the public.

The ABBI, which introduces young bucking bulls at select BFTS and Touring Pro events, is dedicated to unifying, developing and promoting the bucking bull industry through pedigree preservation; enhancement and promotion of bucking bull ownership, breeding, and welfare; and development of programs and events showcasing the world's finest bucking bull stock. The ABBI is the third-largest cattle registry and is set up to record and preserve the pedigrees of the world's premier bucking bulls.

Tulsa is the 20th stop of the 2012 BFTS season, which opened in January with capacity crowds at Madison Square Garden in New York. The BFTS will make 28 stops in 23 states before the Built Ford Tough World Finals in Las Vegas on Oct. 24-28, 2012. The World Finals are where the PBR World Champion will be crowned and awarded the coveted championship buckle and a $1 million bonus. The richest bull riding event on the planet, the World Finals has a total purse of more than $2 million.

The BFTS is televised every week on CBS, CBS Sports Network, NBC, NBC Sports Network, and YouTube. BFTS telecasts are produced for the PBR under a multi-year agreement with David Neal Productions, a Los Angeles-based production company led by 34-time Emmy® Award winner and Peabody Award winner David Neal, who serves as executive producer.  

Professional Bull Riders Built Ford Tough Series
Express Classic Presented By WinStar World Casino

Friday's Results
Event Leaders (Round 1-Round 2-Total Points)
1. Chase Outlaw, 88.75-89.25-178 points.
2. Kody Lostroh, 86.5-90.25-176.75 points.
3. Justin Koon, 87-0-87 points.
Mason Lowe, 87-0-87 points.
Ryan Dirteater, 87-0-87 points.
6. Stormy Wing, 86.5-0-86.50 points.
7. Ty Pozzobon, 86.5-0-86.50 points.
8. Mike Lee, 84.75-0-84.75 points.
9. Chris Shivers, 83.5-0-83.50 points.
10. Silvano Alves, 81.25-0-81.25 points.
11. Valdiron Oliveira, 80.25-dnq-80.25 points.
Aaron Roy, 0-dnq-0 points.
Austin Meier, 0-dnq-0 points.
Ben Jones, 0-dnq-0 points.
Billy Robinson, 0-dnq-0 points.
Caleb Sanderson, 0-dnq-0 points.
Chad Besplug, 0-dnq-0 points.
Chance Roberts, 0-dnq-0 points.
Cody Campbell, 0-dnq-0 points.
Cody Johnson, 0-dnq-0 points.
Cody Nance, 0-dnq-0 points.
Fabiano Vieira, 0-dnq-0 points.
Guilherme Marchi, 0-dnq-0 points.
Harve Stewart, 0-dnq-0 points.
J.B. Mauney, 0-dnq-0 points.
Jared Farley, 0-dnq-0 points.
Jordan Hupp, 0-dnq-0 points.
Jory Markiss, 0-dnq-0 points.
Joshua Ehlers, 0-dnq-0 points.
Lachlan Richardson, 0-dnq-0 points.
L.J. Jenkins, 0-dnq-0 points.
Luke Snyder, 0-dnq-0 points.
Marco Eguche, 0-dnq-0 points.
Renato Nunes, 0-dnq-0 points.
Robson Palermo, 0-dnq-0 points.
Shane Proctor, 0-dnq-0 points.
Tanner Byrne, 0-dnq-0 points.

Follow Jack Carnefix on Twitter @JackCarnefix.