KANSAS CITY, Kan. -- NASCARs two top technical officials on Friday explained the rationale behind rule changes for the 2017 season that were released to competitors earlier this week.The minor changes are being made to improve safety and hopefully create more competitive racing.Modifications for Sprint Cup Series cars include a smaller rear spoiler and shallower front splitter, intended to reduce the overall downforce level. The 2017 rear spoiler will measure 2-3/8 inches by 61 inches.NASCAR ran Sprint Cup Series races this summer at Michigan International Speedway and Kentucky Speedway using a 2? inch by 53-inch spoiler in an effort to simulate the 2017 aero package, but the competition was not as close as hoped.Our objective here is to get more off-throttle time for the drivers, said Gene Stefanyshyn, NASCAR senior vice president of innovation and racing development. If we take downforce off, the corner speed will slow down and the driver will be off-throttle more. The splitter and the spoiler reduction was done in concert because we wanted to retain the same balance in the car.We tried a 53-inch wide spoiler but went back to the 61 after we got some feedback from the drivers, he added. They just needed a bit more in the rear, so we fine-tuned it that way. It gives the car a bit more stability.Drivers were generally positive in their reaction to the new rules.I believe anything we can do to take aerodynamic dependency away from these cars makes the racing better, makes it more fun and showcases the drivers talent and the crew chiefs ability to change, said Carl Edwards of Joe Gibbs Racing.?Thats good stuff.We are all wanting slower center of corner speeds, added six-time Cup Series champion Jimmie Johnson, who will remain at Kansas on Monday to test the 2017 package in his Hendrick Motorsports Chevrolet.We all feel that will put on a better race. Directionally, that is the way the sport is going and I think the smaller spoiler is going to help us.For restrictor plate races at Daytona International Speedway and Talladega Superspeedway, the plate openings have been decreased by 1/64 of an inch in an effort to reduce horsepower and contain speeds.NASCAR will also reduce the number of tires allotted to competitors on race weekends and will require drivers to start races with the tires used for qualifying.Safety changes include a strengthened floor section near the pedals and modifications to the steering column to prevent the steering wheel from pushing back into the cockpit in a frontal impact. Roof hatches will be mandatory at restrictor plate tracks and optional elsewhere.We work on safety on an ongoing basis and agree as an industry that there is no compromise when it comes to safety, Stefanyshyn said. When we do find something and its significant and needs to be handled, we will handle it in a proper way.NASCAR continues to crack down on efforts to create a rear-steering effect by skewing the angle of the rear axle, and rules regarding chassis construction in the rear axle area have been tightened up for 2017.Friday at Kansas Speedway, Kyle Busch and Kyle Larson were held out of the first 30 minutes of Cup Series practice because they attempted to bring their cars back into rear axle angle compliance after last weeks race at Charlotte Motor Speedway by violently swerving during the cool-down lap.We asked them not to swerve and they swerved, so theyre in the garage, said Scott Miller, NASCAR senior vice-president of competition. That was pretty specific. We told them [in September at New Hampshire Motor Speedway] that we would look at our resources after the races, and weve been doing that.Stefanyshyn and Miller added that while they hope the 2017 package forms a solid base for the long term, they would not rule out NASCAR selectively testing out new ideas during races as it prepares for 2018.Nothing ever stays the same, so moving forward, we will look at more efficient ways to actually potentially test possible packages for the future, said Miller. I think we did a good job the last couple of times with the races. Thats really the best way to collect data - at an actual event.Hopefully we can get out in front of it a bit further with a bigger cross section of race tracks if we have some proposed new things in the future. Lukas Sedlak Jersey .C. -- Todd Fiddler scored a hat trick, including the overtime goal, as the Prince George Cougars survived an 8-7 win against the Kamloops Blazers in Western Hockey League play Sunday. Green Blue Jackets Jerseys . -- Los Angeles Lakers guard Jordan Farmar will be out for roughly four weeks after tearing his left hamstring. http://www.authenticbluejacketsshopnhl.com/cam-atkinson-jersey/ . -- Derrick Rose shook off poor shooting early to hit clutch shots late and Carlos Boozer had 20 points and 13 rebounds to lead the Chicago Bulls to a 104-95 preseason victory over the Oklahoma City Thunder on Wednesday night. Matt Calvert Jersey . This should be celebrated because it will not always be this way. With the amount of money given to players by their clubs these days, it is a wonder that so many of those teams allow the sport to continue to take away many of their assets so they can play for a different team in the middle of their season. White Blue Jackets Jerseys . The visitors took a deserved lead in the 16th minute with midfielder Yohan Cabaye curling the ball beyond Adrian from inside the penalty area. PHOENIX -- Matt Kemp has had some big hits in his many trips to Chase Field in his many seasons in the NL West. He had another one Tuesday night.Kemps two-out, bases loaded double in the eighth inning erased a one-run Arizona lead and the Atlanta Braves beat the Diamondbacks 7-4 in the second game of a matchup of teams with the two worst records in the National League.Its a nice field, a nice backdrop, he said. You see the ball well. Ive played here a lot so Ive got some experience here.Kemp earned two RBI with the hit and a third run scored when right fielder Mitch Haniger bobbled the ball.Those are situations you want to be in, said Kemp, who also had a sacrifice fly.He said hes enjoying himself since he was acquired by Atlanta from San Diego on July 30, despite the Braves record.The guys here are good. They treat me well, he said. Were having as much fun as we can in the situation that were in.Kemps three RBI gave him 83 for the season.Hes been there, done that, Atlanta manager Brian Snitker said. You know, hes an RBI guy.Adonis Garcia had three hits, including a double, and scored twice for the Braves, who have won two of three after losing seven straight. Dansby Swanson, the former No. 1 draft pick by Arizona now with the Braves, singled twice and earned his first major league RBI with a sacrifice fly in the ninth.Jose Ramirez (2-0) allowed a hit and hit a batter but struck out the side in the seventh to get the victory. Jake Barrett (1-2) took the loss.I just feel it was the one pitch that hurt me and that was to Kemp, he said. I tried to throw inside and missed away.Jim Johnson pitched a scoreless ninth for his 11th save.Jake Lamb doubled in two runs and Yasmany Tomas singled in two in Arizonas four-run third inning. Lamb also doubled in the eighth, breaking out of a 2-for-47 slump. Tomas left the ggame in the eighth with mid-back stiffness.dddddddddddd.Atlanta starter Rob Whalen held Arizona hitless through 2 2/3 innings but never made it out of the third.With two outs, he walked three batters, the last two on full counts, to load the bases for Tomas. After the two-run single, Whalen hit Welington Castillo to load them again and bring up Lamb, who laced a two-run ground-rule double into the Braves bullpen down the right field line and Arizona led 4-2.That was it for Whalen in his fifth major league start.The Braves, who scored five in the first inning in Monday nights 9-8 loss, scored two in the first Tuesday, and Arizona starter Archie Bradley was fortunate it wasnt more.Nick Markakis singled in one run and Tyler Flowers doubled in another. Jace Peterson walked to load the bases but Swanson struck out looking to end the threat.Garcia doubled to start the fourth, took third on a groundout and scored on Kemps fly out to center to slice the Diamondbacks lead to 4-3.The Braves loaded the bases with one out in the third but failed to score. In all, Atlanta stranded eight runners in the first three innings.Freddie Freeman of the Braves went 0 for 3 to snap an 11-game hitting streak.TRAINERS ROOMDiamondbacks: Manager Chip Hale said OF A.J. Pollock (wrist surgery) will be activated on Friday and will immediately be in the lineup.UP NEXT:Braves: RHP Julio Tehran (2-3, 4.89) gets the start in the third game of the four-game series. Tehran was the last Braves starter to go more than six innings -- on July 17.Diamondbacks: RHP Zack Greinke (11-4, 4.21) makes his first home start since June 28. He allowed two runs in seven innings in his last start, at San Diego, but got no decision. Wholesale Jerseys 2020 Stitched Jerseys Cheap Jerseys 2020 Cheap NFL Jerseys China Jerseys NFL China Cheap Nike NFL Jerseys Wholesale Jerseys ' ' '