EDEN PRAIRIE, Minn. -- Through their first two preseason games, the best performance from Minnesotas first-team offence has been by rookie punter Jeff Locke. The Vikings havent done much well in these exhibition games yet. Each incompletion by Christian Ponder or three-and-out series by the unit has only heightened concerns whether this team can be balanced enough to build off last years playoff appearance. Even when the wins and losses dont matter, decent showings will somewhat appease the fans, soften the skepticism of the analysts, and most importantly give the coaches and players confidence in a chemistry carry-over to the regular season. "Yeah, there would be some reason for concern if we dont do certain things that weve set out to get accomplished in this ballgame, or any ballgame," coach Leslie Frazier said on Wednesday. The Vikings are at San Francisco on Sunday, and most of the starters are expected to play into the third quarter. But before this becomes an anxiety-raising, must-thrive event, theres a critical fact to point out about the way the offence bumbled through the first two games. "I was coming off the sideline saying, Oh, my gosh, what are we doing?" wide receiver Greg Jennings said. "Like, we were struggling. And then I saw this guy on the sideline that had this 28 jersey on, and he wasnt dressed, and Im like Oh, yeah. I forgot. We dont have a big part of our offence out here that draws a lot of attention. So this week will be a lot better." Assessing a team without the leagues rushing leader and Most Valuable Player is hardly worth it, especially considering the way the Vikings revolve around their star running back Adrian Peterson. This week against the 49ers, the plan is for Peterson to be on the field. "If youre an offensive player, we definitely want to take some steps forward," Peterson said. The Vikings have averaged only 14 first downs and 276 yards over the first two games, though that includes all of the time logged by backups and long shots trying to make the team. Ponder is 6 for 14 for 68 yards and one interception. His passer rating is 28.3. So this next exhibition will be a valuable opportunity for Ponder to continue trying to establish a rhythm with Jennings, rookie Cordarrelle Patterson and the rest of his receivers. Dont expect a polished product either, Jennings said. "Kinks will never completely be ironed out," he said. "There will always be a new wrinkle that we put in that were going to be trying to perfect. Just our relationship, our chemistry, were going to try to perfect that forever." NOTES: The finalists for the punt returner role are incumbent Marcus Sherels and fellow CB Bobby Felder, according to special teams co-ordinator Mike Priefer. The Vikings have been grooming Patterson for that job, too, but theyre trying to narrow his focus for now. ... DT Sharrif Floyds minor left knee operation went fine, Frazier said, and hes expected to be ready for the first week of the regular season. ... In addition to Floyd and FB Jerome Felton, whos out for the rest of August recovering from an appendectomy, the only other significant player held out of practice Wednesday was WR Jarius Wright (concussion symptoms). Detroit Pistons Jerseys .C. -- The Carolina Panthers announced Thursday theyve signed free agent wide receiver Jerricho Cotchery to a two-year contract, helping rebuild a depleted wide receiving corps. Grant Long Jersey . Assistant coach Glen Gulutzan said Thursday that Edler, who played Tuesday in Nashville, is out indefinitely. http://www.basketballpistonsauthority.com/jon-leuer-pistons-jersey-c-34/ . City has reached new heights under manager Manuel Pellegrini as they transition from big spending/immediate impact to perennial contender. Yaya Toures seeming discontent Tuesday may complicate that, as does the little issue of Financial Fair Play. Luke Kennard Jersey . The team of Lars Nelson, Daniel Richardsson, Johan Olsson, and anchor Marcus Hellner cruised to victory in the 4x10 km event, winning in a time of one hour, 28 minutes, and 42. Ben Wallace Jersey . -- The Green Bay Packers have signed quarterback Graham Harrell to the active roster from the practice squad and placed tight end Andrew Quarless on injured reserve.Sydney, Australia (SportsNetwork.com) - Petra Kvitova captured her first title of 2015 with a straight-set victory over fellow Czech Karolina Pliskova in Fridays final of the Sydney International. The second-seeded Kvitova gutted out a pair of tiebreakers to earn a 7-6 (7-5), 7-6 (8-6) victory, claiming her 15th career title and third in Australia. Kvitova previously won Australian Open tune-up crowns in 2009 at Hobart and 2011 at Brisbane. She has struggled somewhat in the opening Grand Slam event of the year, however, with four exits before the third round and a semifinal finish in 2012 her best result in six tries. The last ttwo visits to Melbourne have been particularly rough, a second-round setback in 2013 and a stunning first-round loss last year against Luksika Kumkhum.dddddddddddd She will face a qualifier in the first round next week. Pliskova fell to 3-4 all-time in WTA finals. She reached five title matches last year, winning twice, and is expected to move into the top-20 for the first time when the new rankings are released next week. A qualifier is also on the first-round schedule for Pliskova next week. Kvitova improved to 2-0 lifetime against Pliskova, also winning last year in Wuhan, China, and she earned a first prize of $124,000. 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