Although it seemed like it was light-years away at various points during this eventful but quite long offseason, Day 1 of training camp for the Las Vegas Raiders is now officially in the books. Even after just one practice in Las Vegas, there is a lot to take away from what went down. In the spirit of keeping things positive this time of year, let's take a look at five things all of Raider Nation should be celebrating after the outset of training camp. Las Vegas needs as many young players to pan out as possible, and Masses looks like a gem in the early going. Fernando Mendoza had a strong startMendoza was promoted to the second-team offense for training camp, and he rose to the occasion.