What if the St. Louis Stallions had become an NFL franchise?

What if Wayne Gretzky was never traded to the Los Angeles Kings?

What if Dee Ford was not offsides in the 2018 AFC Championship Game?

What if Lance Armstrong was caught cheating earlier in his career?

What if Thurman Munson did not die in a plane crash in 1979?

What if "the catch" never happened?

What if the Seattle Seahawks had won Super Bowl XL?

What if Tyreek Hill was not dismissed from Oklahoma State?

What if the "Malice at the Palace" never happened?

What if the Dodgers and Giants stayed in New York?

What if Paul "Bear" Bryant never left Texas A&M?

What if Bert Jones's injuries didn't catch up with him?

What if Muhammad Ali lost to Sonny Liston?

What if the Chicago Bulls received the 1st pick in 1979 and drafted Magic Johnson?

What if Trent Dilfer was not released after the Ravens won the Super Bowl?

What if Dale Earnhardt did not die while racing in the 2001 Daytona 500?

What if Aaron Rodgers was picked 1st in the 2005 NFL Draft instead of Alex Smith?

What if Christian Laettner missed the game winning shot in the 1992 Regional Finals against Kentucky?

What if Vince Carter did not put on a show in the 2000 NBA Slam Dunk Contest?

What if Michael Jordan had signed with the Knicks in the summer of '96?