When Silvano Alves straps on his spurs to compete in this weekend’s Professional Bull Riders tour stop in Thackerville, Okla., the Decatur cowboy will come in with a commanding world-title race lead.Alves, who is attempting to win a record third consecutive PBR world title, finished second at last weekend’s tour stop in Nashville and earned $14,100.In the PBR’s Built Ford Tough Series world standings, he’s ranked No. 1 with 8,534 points, ahead of No. 2 Joao Ricardo Vieira (6,838.73).Alves is scheduled to compete in the WinStar World Casino Invitational in Thackerville on Friday and Saturday. Each performance begins at 8 p.m.In Nashville last weekend, Guilherme Marchi, the 2008 PBR world champion, finished first and earned $37,075. Another attention-grabber was the rematch between J.B. Mauney and Bushwacker, the 2011 World Champion Bull.At the Tulsa tour stop on Aug. 17, Mauney clinched the title after turning in a short-round score of 95.25. But in Nashville, Bushwacker bucked off Mauney in 3.81 seconds.For more information on the Thackerville show, visit pbr.com.A cash cowSome of rodeo’s biggest names congregated at AT&T Stadium in Arlington on Thursday to speak at a news conference on The American, a lucrative rodeo that’s scheduled for March 2.The rodeo will feature the world’s top competitors who will vie for $2 million, the largest payout ever for a single-day show.The speakers included seven-time world all-around champion Ty Murray of Stephenville and six-time world all-around champion Larry Mahan of Bowie.Mahan, a bronc and bull rider who thrived in the late 1960s and early 1970s, jokingly said that the whopping $2 million purse has him thinking about competing.“It has me so excited that I want to crack out again,” Mahan said. “This morning, I did a push-up and a sit-up to help me get ready to ride in the mutton busting.”In the moneyOn the Professional Rodeo Cowboys Association circuit, Clif Cooper of Decatur, a three-time Wrangler National Finals Rodeo qualifier, tied for first and earned $6,327 last weekend at the Rancho Mission Viejo Rodeo in San Juan Capistrano, Calif., after turning in a time of 7.9 seconds. Cooper is ranked 16th in the world tie-down roping standings with regular-season earnings of $42,139.Cooper shared first place with Randall Carlisle, a former Lipan resident who lives in Castor, La. Carlisle, who won the Fort Worth Stock Show Rodeo in February and is on pace to qualify for his first NFR, is ranked 12th in the world race with $52,705.High school updateThe North Texas High School Rodeo Association will begin its 2013-14 regular season with the Boswell Rodeo, which is scheduled for Sept. 6-8 at the NTHSRA’s arena in north Fort Worth. For more information, visit nthsra.org or call 817-232-2855.