In the wake of the tragic shooting in Dallas that left five law enforcement officers dead, New York Knicks?forward Carmelo Anthony took to social media Friday morning to ask athletes to step up and demand change without resorting to violence.Shooting 11 cops and killing 5 WILL NOT work, Anthony wrote on Instagram. ... Im calling for all my fellow ATHLETES to step up and take charge. Go to your local officials, leaders, congressman, assemblymen/assemblywoman and demand change. Theres NO more sitting back and being afraid of tackling and addressing political issues anymore. Those days are long gone. We have to step up and take charge.We cant worry about what endorsements we gonna lose or whose going to look at us crazy. I need your voices to be heard. We can demand change. We just have to be willing to. THE TIME IS NOW. IM all in. Take Charge. Take Action. DEMAND CHANGE.LeBron James, who said Anthonys Instagram post was on point,?also reached out on Twitter to implore people to stop the violence.In addition to the five officers who died, seven officers and two civilians were also injured Thursday night after an ambush in downtown Dallas following a peaceful march to protest the fatal shootings by police officers of two black men -- Alton Sterling in Louisiana and Philando Castile in Minnesota -- this week.Obviously, violence is not the answer of solving it, Serena Williams said Saturday after winning her seventh Wimbledon title in London. The shooting in Dallas was very sad. No one deserves to lose their life, doesnt matter what color they are, where theyre from.Were all human. We have to learn that we have to love one another. Its going to take a lot of education and a lot of work, I think, to get to that point. But I think, in general, the entire situation is extremely sad, especially for someone like me. Its something that is very painful to see happening.Former Dallas Cowboys receiver and Pro Football Hall of Famer Michael Irvin, speaking to The Dallas Morning News at his football camp, said: You can let it beat you, or you can rally together and say, Not on my watch.And thats what the community in Dallas Im sure will say, Not on my watch, Irvin said. We will not allow this on our watch. We will rally together.Irvin said football could help bridge the divide that permeates much of the nation.It gets rid of some of the issues we are dealing with, Irvin said. With what happened here in Dallas and Minnesota and Louisiana. The game of football helps move past those things.Texas Rangers outfielder Nomar Mazara reacted Friday to a photo posted on Instagram by teammate Joey Gallo that was taken a month ago with Dallas Police Department officer Patrick Zamarripa, who was identified as one of the officers who was killed Thursday night.Who would expect that you would take a picture with somebody a month ago and theyd be dead today, Mazara said. He was a nice guy. He recognized us and we took a picture and talked baseball for about 15 minutes.Dallas athletes also expressed their emotions on social media following Thursday nights attack.We need to steer our anger in the right direction, Anthony wrote. The system is Broken. Point blank period. It has been this way forever. Martin Luther King marched. Malcolm X rebelled. Muhammad Ali literally fought for US. Our anger should be towards the system. If the system doesnt change we will continue to turn on the TVs and see the same thing. 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LOUIS -- Lance Lynn was one of the more enthusiastic participants as the St. Less than three months after being parachuted into the New Zealand hot-seat, David Kidwell says hes relishing the opportunity to replicate his playing success in the coaching box in Sundays Four Nations final.And if there was ever any evidence needed that Kidwell is enjoying the coaching caper its the way he has kept his cards close to his chest this week in regards to his team for the final.Rather than name his team one through 17, Kidwell named a 19-man squad in alphabetical order, including both Te Maire Martin and Tohu Harris.The duo are battling to fill the five-eighth role for New Zealand and replace Thomas Leuluai, who broke his jaw against Scotland.Kidwell was part of two of the Kiwi teams greatest moments when they stunned Australia in the Four Nations final in Leeds in 2005 then again three years later when they lifted the World Cup against the Kangaroos in Brisbane.During a nomadic playing career that took in spells at Adelaide Rams, Parramatta, Warrington, Sydney Roosters, Melbourne and South Sydney, Kidwell was a powerful second-rower with an aggressive streak.Although hes won just one of this first four matches as coach and was held to a draw by Scotland, Kidwell said hes thriving on the opportunity to coach his country in a final having served as an assistant to Steve Kearney for the last two years.Ive loved every minute of it, Kidwell told AAP.Its a job where weve had games where weve come back from adversity and you learn a lot about yourself.You may be down,, but you cant show that to the players.dddddddddddd You have to pick the team up when they are down and move onto the next challenge.My philosophy is that I am learning every day. I am picking up stuff every day, little things here and there from different kinds of sports and different kind of people.The Kiwis can often mix brilliance with inconsistency two traits exemplified by mercurial halfback Shaun Johnson and Kidwell admitted finding the balance between coaching and man-managing his team is something hes still getting to grips with.I havent found the difference between coaching and playing that great, he said.It sounds obvious, but the only major difference is going out on the field. The emotions I feel are the same, mentally you are looking at whether you are preparing your team right.I get more nervous as a coach than I every did as a player. But the most important thing is to not show that to my players.Those nerves are probably down to passion as well. I want the Kiwis to do so well. I am competitor at heart and I love winning.New Zealand: Jordan Kahu, David Fusitua, Solomone Kata, Shaun Kenny-Dowall, Jordan Rapana, Te Maire Martin, Shaun Johnson, Jesse Bromwich (capt), Issac Luke, Adam Blair, Kevin Proctor, Tohu Harris, Jason Taumalolo: Interchange: Lewis Brown, Martin Taupau, Manu Mau, Greg Eastwood Joseph Tapine, James Fisher-Harris ' ' '