The 2015 salary cap has been set at $143.28 million.
In the midst of unprecendented popularity, the NFL continues to rake in massive revenue. That can be seen in the cap, which has risen from $123M in 2013 to $133M last year and now all the way up at $143M. According to OverTheCap.com, the Jaguars, Raiders, Browns, Jets and Colts have the most space right now. The Saints, Patriots, Ravens, 49ers and Chiefs have the least.