PGA Tour caddies have taken aim at one of their biggest targets imaginable — the PGA Tour itself. Recently, 82 professional caddies filed a class-action lawsuit against the tour asserting claims for injunctive relief and more than $50 million in annual unpaid compensation. The caddies’ use of the judicial system as an avenue for remedy and redress of perceived economic harm is consistent with the trend of antitrust and intellectual property litigation that has embroiled the NCAA over the past few years.  …