CONCORD, N.C. -- Kurt Busch was back in his element Thursday Busch was in North Carolina for Sprint Cup qualifying -- a welcome return to what he knows best. "I was on the plane ride back and Im like, You know, Im going to be back in my Cup car and be back in the comfort zone," he said. The former Sprint Cup champion has had a split focus all month as he prepares for Sundays Double attempt, hoping to become just the second driver to complete the Indianapolis 500 and the Coca-Cola 600 on the same day. He looked at home Thursday, posting the eighth-fastest speed of 191.042 mph in practice. That didnt hold up in qualifying as Busch ended 28th and failed to advance to the second round of the knockout session. Buschs fastest lap was 189.553 mph, meaning he and his No. 41 team have some work to do before Sunday night much as they have the past few weeks. While they won at Martinsville Speedway in March to seemingly lock up a spot in the 16-driver championship Chase, Busch stands 28th in Sprint Cup points. Busch hasnt finished better than 23rd in the five points races since his win at Martinsville. He didnt practice for last weeks All-Star race, showing up and running "cold turkey." Busch ended up 11th. Some might wonder if Buschs time at Indy is costing him in NASCAR. He says no. "Ive been right there along with the Cup guys," Busch said Busch surprised his shop last week when he returned after rain wiped out a practice day at Indianapolis Motor Speedway. He said team members were startled but "at the same time they were relieved because they know that we have some work to do," he said. "I just wanted to show them my commitment." Despite running laps at Indy the past few weeks, Busch has a difficult time explaining the difference between the disciplines. "Ive had to keep them very separate," said Busch, who wrecked during Mondays practice at Indianapolis and will be in a backup car for the Indy 500. Clint Bowyer said many in the garage area are rooting for Busch at his try for history. "I do believe Kurt has an opportunity to pull that off," Bowyer said. "That would be something to make all of us in this sport pretty proud." Busch is soaking up the experience, and he believes his try can give motorsports a "shot in the arm." When its over, though, he knows hell be ready to try to bring his Stewart-Haas team to the top of Sprint Cup. "Ill be back next week and it will be back to normal," he said. Custom Uniforms Outlet .ca presents a week long look at some of the teams and stories that will shape the up coming campaign. Discount Custom Jerseys . Wayne and Cindy Tuck of Ilderton, Ont., closed out round-robin play earlier in the day with a 7-3 win over Finland but needed a win over Austria to reach the final eight. http://www.customjerseysnearme.com/. - Novak Djokovic beat John Isner 7-5, 6-7 (2), 6-1 on Saturday to reach the final of the BNP Paribas Open, where hell resume his longtime rivalry with Roger Federer. Wholesale Custom Jerseys . Costa Rica followed up its wins over Uruguay and Italy by holding England to a dour 0-0 draw on Tuesday, enough to finish first in Group D. Custom Jerseys From China .6 seconds left to give the Toronto Raptors a 92-89 victory over the Boston Celtics in an exhibition game Wednesday night. DETROIT -- Former Detroit Lions running back Jahvid Best is suing the NFL and helmet maker Riddell after concussion problems helped cut short his career. The lawsuit was filed in Wayne County Circuit Court on Tuesday. It alleges the league has been aware of evidence of mild traumatic brain injuries and the risk for its players for years, but "deliberately ignored and actively concealed" the information. It also accuses Riddell of making defective helmets and failing to inform the players of the long-term effects of concussions. "The NFL, like the sport of boxing, was aware of the health risks associated with repetitive blows producing sub-concussive and concussive results and the fact that some members of the NFL players population were at significant risk of developing long-term brain damage and cognitive decline as a result," the lawsuit reads. "Despite its knowledge and controlling role in governing player conduct on and off the field, the NFL turned a blind eye to the risk and failed to warn and/or impose safety regulations governing this health and safety problem." A message was left Wednesday seeking comment from the NFL. Riddell spokeswoman Erin Griffin declined comment Wednesday night. The Detroit Free Press was the first to report on the lawsuit. Bests suit comes just days before the Denver Broncos take on the Seattle Seahawks in the Super Bowl on Sunday. It also comes on the heels of a ruling by a federal judge that calls into question the viability of a proposed $765 million settlement of NFL concussion claims. U.S. District Judge Anita B. Brody denied preliminary approval of the plan because shes worried the mooney for 20,000 retired players could run out sooner than expected.dddddddddddd She also raised concerns two weeks ago that anyone who gets concussion damages from the NFL would be barred from suing the NCAA or other amateur football leagues. Best was selected by the Lions in the first round of the 2010 draft and accounted for 1,000-plus yards and six touchdowns as a rookie. But he was limited to six games during the 2011 season after what he said was the third concussion of his football career. He was cut by Detroit in July. Best also had a scary fall when he was a college player at California that knocked him out and sent him to the hospital with a concussion and sore back. Best, who turns 25 on Thursday, is seeking compensatory and punitive damages from the NFL and Riddell, to go along with economic and non-economic damages. "Unfortunately, with these types of injuries, as has been documented, the long-term effects of the injuries to the brain may not manifest themselves for a number of years," Bret Schnitzer, Bests attorney, said in an email to The Associated Press. "Jahvid obviously had some manifestation of concussion syndrome, which is well documented in the media. But in terms of the full extent of the injury to the brain, as we can see from other players and from the science, that cant always be determined in a 25-year-old." Schnitzer declined to make Best available for an interview. "He was disabled from playing football due to the concussions. Thats all Im really going to indicate in terms of his condition at this time," Schnitzer said in an email. "Itll develop through the litigation." 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