The wildly popular podcast Serial, which has looked into the death of teenager Hae-Min Lee, and whether or not her ex-boyfriend Adnan Syed, who was convicted of killing her and sentenced to life in prison in 2000 was actually responsible for murdering her, ends today.

The addictive podcast got SWN to thinking about sports cases in which details are murky at best, without satisfying resolutions. Without further ado, here are five shady cases that might be great starting points for Serial's next season.