Former football player and wrestler Chris Nowinski's quest to publicize recent findings about the often dire consequences of head concussions sustained by athletes in contact sports — injuries that have previously been considered momentary setbacks and ignored in the name of toughness and dedication to the team.

WWE Insurrextion (2003) took place on June 7, 2003 at the Telewest Arena in Newcastle, England, UK. The Main event was a Street Fight between Triple H (with Ric Flair) and Kevin Nash (with Shawn Michaels), with loads of match ups including Jazz defended the WWE Women's Championship in a divas match against Trish Stratus.

HHH defends the "World" Heavyweight Title against Kevin Nash in Hell in a Cell, Goldberg faces Chris Jericho, Kane and Rob Van Dam defend the WWE World Tag Team Titles against La Resistance, Ric Flair faces Shawn Michaels, Mr. Theodore R. Long sends his team of Christopher Nowinski and Rodney Mack into action against The Dudley Boyz, Scott Steiner takes on Test with the winner getting Stacy Keibler as his manager, and Booker T. challenges Christian for the WWE Intercontinental Heavyweight Title.

Survivor Series (2002) was the sixteenth annual Survivor Series PPV. It took place on November 17, 2002 from Madison Square Garden in New York, New York and featured talent from both the Raw and SmackDown! brands. The main event was from the Raw brand the first ever Elimination Chamber match for the World Heavyweight Championship involving reigning champion Triple H, Shawn Michaels, Chris Jericho, Booker T, Rob Van Dam and Kane. The predominant match on the SmackDown! brand was Brock Lesnar versus The Big Show for the WWE Championship. The featured matches on the undercard were a Triple Threat Elimination match for the WWE Tag Team Championship involving Edge and Rey Mysterio, Los Guerreros, and Kurt Angle with Chris Benoit.

Royal Rumble (2003) was the sixteenth annual Royal Rumble PPV. It was presented by PlayStation and took place on January 19, 2003 at the Fleet Center in Boston, Massachusetts. As has been customary since 1993, the Royal Rumble match winner received a match at that year's WrestleMania, for his choice at either the WWE Championship or the World Heavyweight Championship. Six professional wrestling matches were featured at the event. The main event was the annual 30-man Royal Rumble match, which featured wrestlers from both brands. The primary match on the Raw brand was Triple H versus Scott Steiner for the World Heavyweight Championship. The predominant match on the SmackDown! brand was between Kurt Angle and Chris Benoit for the WWE Championship. The featured match on the undercard was a Royal Rumble qualification match between Brock Lesnar and The Big Show.

Drawing on the book of the same name, League of Denial crafts a searing two-hour indictment of the National Football League’s decades-long concealment of the link between football related head injuries and brain disorders.

Tyler Sash was drafted by the New York Giants and became a part of the 2012 Super Bowl winning team. Concussions would cut Sash's career short and the film is paralleled by NFL Hall of Famer Brett Favre's CTE experience.