The Las Vegas Raiders are beginning a new, exciting era of Silver and Black football. The Klint Kubiak-Fernando Mendoza pairing is bringing excitement and encouragement to a fanbase that has struggled to see much winning football over the last 20-plus years. GM John Spytek, Fernando Mendoza, Klint Kubiak | Darrell Craig Harris, On SI Mendoza elevated the Indiana Hoosiers to college football's mountaintop, leading them to an undefeated season and winning the Heisman Trophy along the way. He has all the tools to succeed at the NFL level. Now that Mendoza is in Las Vegas, his next step is building chemistry with his teammates. He has all the physical tools to be a good NFL player, but it won't matter if he doesn't have a strong rapport with the players around him. Mendoza Building Chemistry and Culture Fernando Mendoza | Darrell Craig Harris, On SI There has been far too much losing within the Raiders' organization in the last few years.…