By Alek Arend On Saturday, the Dallas Cowboys traded star wideout Amari Cooper to the Cleveland Browns in exchange for a fifth- and sixth-round draft pick. The Browns weren’t the only team who had interest in Cooper though. Per NFL insider Jonathan Jones, the Jacksonville Jaguars, Miami Dolphins and New York Jets all had interest in a Cooper trade. The Browns clearly had the best offer, however. “Jaguars, Dolphins and Jets were among the teams interested in trading for Cooper,” Jones tweeted. The key for the Browns wasn’t the draft picks. Cleveland absorbed Cooper’s entire salary. That was the…