Vikings fans headed to Philadelphia for Sunday's NFC championship game, be forewarned: Eagles fans are a hard-core bunch.Some travel agents in Minnesota are warning Vikes fans to be careful aroundEagles fans, saying they should even consider removing their Minnesota jerseys and apparel. One admits the warnings sound "like were almost talking about gangs."Drew Baydala of Minneapolis Ticket Kingtold CBS Philadelphia he's warning Vikings fansto "remove their colors" if Minnesota wins.If the Vikings win Allen Robinson Bold Gold Legend Jersey , yes, I would take off any sort of, like, colors, Baydala said. I know it sounds ridiculous, like were almost talking about Jimmy Smith Jersey gangs here, but its no joke down in Philly. It really isnt.Philadelphia sports fans are among the most enthusiastic in American sports, so supposedly heartle sthey once infamously booed Santa Claus at an Eagles game. Some outsiders would say that enthusiasm sometimes goes too far. Before last Saturday's Eagles-Falconsgame, a drunken Eagles fan allegedly punched a police officer's horse, also striking the officer.Steve Erban, marketing director with Minnesota Men's Jalen Ramsey 2018 Limited Jersey -based Creative Charters, offered this to Vikings fans:I would advise you not to be over inebriated because (Eagles fans) will be."The Eagles'old home, Veterans Stadium, even had a jail and courtroom that oftendid a brisk busine s on game days. Although the team did away with the jail after moving to Lincoln Financial Field in 2003,Philly fans remain among the most feared in football; a 2015 Sports Illustrated poll labeled those fans the "Most Hated Fan Base" in the NFL.Still, people can change. It's been years since Philly fans were blasted for booing Michael Irvin as he lay motionle s on the field after a hard hit (they actually were booing Deion Taven Bryan Jersey Sanders, by the way). It's been years since an enthusiastic fan fired off a flare gun in the stands.The Eagles even released a humorous video during the holiday season, e sentially apologizing to Santa for that infamous 1968 snowball incident at old Franklin Field.It's been 50 years. It's time to bury the hatchet.#FlyEaglesFly pic.twitter.com/eZoTxd9Rcn Philadelphia Eagles (@Eagles) December 25, 2017Meanwhile, Telvin Smith Jersey Minnesota Public Radio is preparing for Sunday's big game by paying tribute to some Philadelphia musical artists such asHall & Oates and The Roots, mixed among some of Twin Cities'best such as Prince.This is definitely going to bea clash of cultures.