Raiders players were seen on video without masks during the indoor charity event while talking with guests, who also weren’t wearing masks. LAS VEGAS — Several Las Vegas Raiders players attended a charity event held by teammate Darren Waller that might have violated league rules for the coronavirus pandemic. The Darren Waller Foundation held a fundraising event at a country club just outside Las Vegas on Monday to help young people overcome drug and alcohol addiction. Players were seen on video without masks during the indoor event while talking and mingling with guests, who also weren’t wearing masks. Among the players in attendance were quarterbacks Derek Carr and Nathan Peterman, tight ends Jason Witten and Foster Moreau, and Waller. Rules from the NFL and NFLPA limit what players are allowed to do away from the facility this season to try to help prevent the spread of the coronavirus. Among the banned activities are music concerts or entertainment events, house gathe...