Obviously this site shouldn't be used for the actual games but there are lots of potential markets around human decisions outside of the games.
Will Dez Bryant be released would have been a good market
Who will be the #1 Pick in the NFL Draft
Who will be the #1 pick in the NBA Draft
What team will LeBron james play for game 1 of 2018 season
What team will Paul George play for game 1 of 2018 season
How many Majors will Tiger Woods play in 2018
Will x baseball player be traded by the trade deadline 2018