I think Trout will be a Super 2 after this season. those rules are so weird.
Q: When does a player become eligible for salary arbitration?
A: A player with three or more years of service, but less than six years, may file for salary arbitration. In addition, a player can be classified as a "Super Two" and be eligible for arbitration with less than three years of service. A player with at least two but less than three years of Major League service shall be eligible for salary arbitration if he has accumulated at least 86 days of service during the immediately preceding season and he ranks in the top 22 percent (increased from 17 percent in previous agreements) in total service in the class of Players who have at least two but less than three years of Major League service, however accumulated, but with at least 86 days of service accumulated during the immediately preceding season.