There are 3 Khalil Mack 2 trading cards tracked on HobbyCardIndex, spanning Football. The most valuable is the Khalil Mack [Studio Series] #APK 2 at $7.09 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/khalil-mack-2Khalil Mack 2 Cards
3 cards · Football