Toronto Blue Jays' security guards reach for a fan that ran onto the playing field, slid into second base, and then tried to escape by climbing the outfield wall in the eighth inning of their game against the Boston Red Sox in Toronto, April 7, 2013.
Aston Villa fans celebrate on the pitch after the Aston Villa v West Bromwich Albion FA Cup Quarter Final at Villa Park, March 7, 2015.
A fan is apprehended by a steward after running onto the pitch during the English Premier League match between Liverpool and Crystal Palace in London, May 5, 2014
A policeman tackles a protester, wearing a shirt with the slogan 'I love Refugees' written on it, after he ran onto the field during the Pool A match between Australia and England at the Melbourne Cricket Ground, February 14, 2015.
A policeman tackles a protester before the start of the Cricket World Cup final match between Australia and New Zealand at the Melbourne Cricket Ground, March 29, 2015.
Fans wearing "Legalize Arizona" shirts run away from security during the fifth inning as the Washington Nationals played the Arizona Diamondbacks in Washington, August 15, 2010.
A line judge reacts as a protester is removed from the court by a security personnel during the men's singles final match between Novak Djokovic of Serbia and Andy Murray of Britain at the Australian Open 2015 tennis tournament in Melbourne
February 1, 2015.
A streaker dives over the net during the men's singles final, between Argentina's David Nalbandian and Australia's Lleyton Hewitt, at the Wimbledon tennis championships, July 7, 2002.
A streaker uses his phone as he is tackled by a police during the rugby tour match between the British and Irish Lions and Manawatu in Palmerston North, June 28, 2005.
France's Olivier Giroud (3rd L) laughs as he walks with teammate Mathieu Debuchy after a fan is caught by security officials for running onto the field at the end of their 2014 World Cup Group E soccer match against Switzerland at the Fonte Nova arena in Salvador June 20, 2014.