Halloween around the NFL

Cheerleaders, fans and mascots all got into the Halloween spirit during this week's NFL games.

Oakland Raiders v Kansas City Chiefs

KANSAS CITY, MO - OCTOBER 28: Kansas City Chiefs fans hold a sign during the game against the Oakland Raiders at Arrowhead Stadium on October 28, 2012 in Kansas City, Missouri. (Photo by Jamie Squire/Getty Images)

A Chicago Bears fan reacts in the stands during game between the Bears and the Detroit Lions in the first half of their NFL football game in Chicago

A Chicago Bears fan reacts in the stands during game between the Bears and the Detroit Lions in the first half of their NFL football game at Soldier Field in Chicago, October 22, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT FOOTBALL)

Fan Jack "Bo" Kennedy waits outside the stadium before the NFL football game between the St. Louis Rams and the New England Patriots at Wembley Stadium in London

Fan Jack "Bo" Kennedy of Andover, Massachusetts, a Patriots season ticket holder for 43 years waits outside the stadium before the NFL football game between the St. Louis Rams and the New England Patriots at Wembley Stadium in London, October 28, 2012. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT FOOTBALL)