Raiders fans cheer on the team versus the Miami Dolphins in the first half of their NFL game at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Fans, including Jaime "Raider Rico" Rico of Las Vegas, center, and Mark Pimentel of San Diego, rear left, cheer as the Raiders take on the Miami Dolphins at Allegiant Stadium in Las Vegas Sunday, Sept. 26, 2021. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto
Raiders super fan “The Violator” during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
Raiders fans during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
Raiders fans during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
The Raiders Jester with other fans in the stands during the first half of their NFL game versus the Miami Dolphins at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Raiders fans during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
Raiders fans during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
Raiders fans cheer during the first half of NFL game against the Miami Dolphins at Allegiant Stadium in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
A young Raiders fan wears a homemade shield versus the Miami Dolphins in the first half of their NFL game at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Las Vegas Raiders fullback Alec Ingold (45) jumps into the stands to celebrate his touchdown with fan versus the Miami Dolphins in the first half of their NFL game at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Fans, including Diana Lopez of Scottsdale, Ariz., left, and Sal Vargas of Santa Maria, Calif., get loud as the Raiders take on the Miami Dolphins at Allegiant Stadium in Las Vegas Sunday, Sept. 26, 2021. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto
Raiders fans in the stands during the first half of their NFL game versus the Miami Dolphins at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Raiders fans in the second half during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
Fans, including Kali Jones of Las Vegas, left, and Cathy Pilkington of Canada, cheer as the Raiders take on the Miami Dolphins at Allegiant Stadium in Las Vegas Sunday, Sept. 26, 2021. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto
Raiders fans during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
Fans, including Dave "Raider White Walker" Bradford of Ft. Lauderdale, Fl., cheer as the Raiders take on the Miami Dolphins at Allegiant Stadium in Las Vegas Sunday, Sept. 26, 2021. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto
Raiders fans in the stands during the second half of their NFL game versus the Miami Dolphins at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Raiders fans cheer during the second half of NFL game against the Miami Dolphins at Allegiant Stadium in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
Fans, including, from right, Rob Lujan of Las Vegas, Ivan Castro of San Leandro, Erik Wood of Las Vegas and Jason Simon of Las Vegas, cheer as the Raiders take on the Miami Dolphins at Allegiant Stadium in Las Vegas Sunday, Sept. 26, 2021. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto
Fans, including Jaime "Raider Rico" Rico of Las Vegas, center, cheer as the Raiders take on the Miami Dolphins at Allegiant Stadium in Las Vegas Sunday, Sept. 26, 2021. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto
Raiders fans cheer during the fourth quarter of an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium in Las Vegas. (Heidi Fang/Las Vegas Review-Journal) @Heidi Fang
UFC fighter Alexander Volkanovski celebrates while taking in the action between the Raiders and Miami Dolphins during an NFL game at Allegiant Stadium in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
Raiders fans during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
Raiders fans cheer during the second half of NFL game against the Miami Dolphins at Allegiant Stadium in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
Raiders fans during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
Raiders fans cheer during the second half of NFL game against the Miami Dolphins at Allegiant Stadium in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
Fans, including Lorenzo Smith, right and patrick Manning, both of Oakland, cheer as the Raiders take on the Miami Dolphins at Allegiant Stadium in Las Vegas Sunday, Sept. 26, 2021. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto
Raiders fans during an NFL football game against the Miami Dolphins on Sunday, Sept. 26, 2021, at Allegiant Stadium, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal) @benjaminhphoto
A fan cheers on players warming up before the start of an NFL football game between the Las Vegas Raiders and Miami Dolphins at Allegiant Stadium in Las Vegas, Sunday, Sept. 26, 2021. (Erik Verduzco / Las Vegas Review-Journal) @Erik_Verduzco
Raiders fans cheer during the second half of NFL game against the Miami Dolphins at Allegiant Stadium in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
Mascot Raider Rusher greets fans as they arrive at Allegiant Stadium while tailgating before an NFL game between the Raiders and Miami Dolphins in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
ÒKing GeorgeÓ arrives to see the Raiders versus the Miami Dolphins for their NFL game at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. Today are the Tony Awards and he is also a RaiderÕs fan so the two are a combination of both. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Fans walk across the Hacienda Avenue bridge as the Raiders will face the Miami Dolphins for their NFL game at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Fans gather for photos about Andy CoronadoÕs AC12 Raider Nation Bus before the Raiders face the Miami Dolphins for their NFL game at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Andy Coronado bites a Miami Dolphins leg attached to his AC12 Raider Nation Bus before the Raiders face Miami for their NFL game at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
(From left) Tracy Mack of Saskatchewan, with the Darkside Demon, Brian Mack and Andy Coronado about his AC12 Raider Nation Bus before the Raiders face the Miami Dolphins for their NFL game at Allegiant Stadium on Sunday, Sept. 26, 2021, in Las Vegas. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images
Raiders fans pose for a picture during a tailgate before an NFL game between the Raiders and Miami Dolphins at Allegiant Stadium in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
Raiders fans dance and tailgate before an NFL game between the Raiders and Miami Dolphins at Allegiant Stadium in Las Vegas on Sunday, Sept. 26, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto
The Raiders hosted the Dolphins on Sunday, but there was no shortage of action off the field, as Raiders fans were in full costume for the festivities.
Check out these photos of Raider Nation tailgating and cheering on the team at Allegiant Stadium.