IRVING, Texas -- Louis Oosthuizen is still looking for a remedy for his recurring back issues. A victory at the Byron Nelson Championship would sure make him feel much better. "The last year and a half was really frustrating," he said. Oosthuizen birdied four of the last five holes for a 6-under 64 on Saturday and a share of the third-round lead with Brendon Todd. The 2010 British Open champion had the low round of the day after recovering from bogeys on two of the first four holes. "I made a nice birdie on 5, and just really made some good putts," Oosthuizen said. "Every opportunity I had for birdie I actually made. My eye was good today, and I hit a lot of them really close." Todd who made 12 consecutive pars before holing a 4-foot birdie at No. 18 for a 68 to match Oosthuizen at 10-under 200. On the morning of the Nelsons final round last year, Oosthuizen withdrew because of a neck issue. He missed extended time last season, and is still bothered by the back even though he won at home in South Africa in January. Mike Weir, James Hahn and Gary Woodland were a stroke back. "Thats what Ive been working toward the last few years, to get myself back here in this position, and looking forward to the challenge," said Weir, the 44-year-old left-hander. Weir, the 2003 Masters champion who hasnt a top-25 finish since 2010 when the Canadian had an elbow injury, shot 67 while missing 4-foot putts on Nos. 15 and 16. Hahns 65 included five birdies in a row on the back nine, and Woodland shot 66 with a double bogey at No. 7. Morgan Hoffmann twice fell out of the lead after hitting drives left into the water and making double bogey, at Nos. 11 and 18. He finished with a 68 and was tied for sixth at 8 under with three-time major champion Padraig Harrington, Marc Leishman and Graham DeLaet. Todds only bogey was at the 420-yard fourth hole, when his approach went over the green and he two-putted from 8 1/2 feet. But that was sandwiched by long birdies. After beginning the day with a two-stroke lead, Todd had to make a 4-foot birdie on No. 18 to regain a share of the lead. "I wanted to get one more birdie under my belt so I could be that much closer to shooting the score I need to win Sunday," Todd said. Oosthuizen was 2 under and well off the pace after his bogey at No. 4, when he hit his second and third shots from the rough and then was in a greenside bunker. The South African blasted to about 10 feet and had to make that putt for bogey, then made three birdies in a row. He made an 8-foot birdie putt at the par-3 fifth, and followed that with an approach to 6 feet at No. 6 and a two-putt from 58 feet at the par-5 seventh. There was another string of three consecutive birdies at Nos. 14-16 before a closing 4 1/2-footer at No. 18. "Its always nice finishing a round on a high," Oosthuizen said. "You sort of feed off that the next day, and that keeps you going." Hoffmann was at 10 under and alone in the lead when he hit his drive into the water to the left at the 320-yard 11th hole, with Weir was just ahead on the green. Weir sank a 2-footer for his fourth consecutive birdie to get to 10 under. Hoffmann then hit another drive after his penalty and wound up with a double bogey. But Weir missed putts from about 5 feet on both Nos. 15 and 16, the latter lipping the cup. Hoffmann was again 10 under after birdies at Nos. 15-16, but hit his drive at No. 18 into the water and then hit twice out of the same greenside bunker. Scott Scheffler, a 17-year-old top junior from Dallas playing on a sponsor exemption, made a hole-in-one using a 5-iron on the 218-yard second hole. He is the fourth amateur since 1983 with an ace in a PGA Tour event. That was part of his 69 that also included five bogeys and four birdies to get to 2 under for the tournament. Dallas native Jordan Spieth, now 20 and ranked eighth in the world, made the Nelson cut as an amateur at ages 16 and 17. Spieth shot 73 on Saturday and was even par overall. Bert Blyleven Jersey . The rookie is rewarding their faith with a stellar first season. MacKinnon had a goal and two assists, Jamie McGinn had two goals and an assist, and Colorado beat the Buffalo Sabres 7-1 on Saturday. Kent Hrbek Jersey . -- The San Francisco 49ers have re-signed cornerback Perrish Cox to a one-year contract. http://www.twinssale.com/twins-miguel-sano-jersey/. The Oilers have been shut out in three straight home games and are in last place in the Western Conference with a 4-14-2 record. "Things have obviously not gone as well as I would have thought probable. Minnesota Twins Jerseys . The Detroit Tigers closer blew a three-run lead in the ninth inning Wednesday night against the Dodgers. Kirby Puckett Jersey . City, fielding a depleted team having already qualified, was twice pegged back by the plucky Czech champions but substitute Negredo tapped home in the 78th minute and Dzekos header made sure of victory in the 89th. The result kept City three points behind Bayern Munich ahead of their meeting in Germany in two weeks.TOBLACH, Italy - Marit Bjoergen of Norway picked up her second World Cup win of the weekend as she triumphed in the womens freestyle sprint in Toblach on Sunday, while compatriot Ola Vigen Hattestad was victorious in the mens event. In the last race before the Sochi Olympics, Bjoergen followed up her win in the 10-kilometre classical race on Saturday by beating World Cup sprint leader Denise Herrmann of Germany by 0.43 seconds for her fifth victory of the season. Fellow Norwegian Ingvild Flugstad Oestberg was third, 1.46 seconds behind. "I think my legs were a little bit tired after yesterday," Bjoergen said. "I didnt feel very fast in the qualification. But each heat I felt a little biit better and was able to advance each time.dddddddddddd I was able to get myself into good position off the downhill in the final to be able to get the win today." Kikkan Randall of the United States was fifth. Hattestad finished 0.69 seconds ahead of teammate Eirik Brandsdal. Josef Wenzl of Germany was third, 0.94 seconds behind. There was no change in the overall standings, with leader Martin Johnsrud Sundby absent. "This was a really great victory for me today," Hattestad said. "I knew I had strong legs and excellent skis so I am happy to win. I was told after the Norwegian championships that I wasnt ready for Sochi but I think today I showed that I am." 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