(III.) METHODS OF RELEASING PLAYERS
Teams may waive players based on performance at any time during the MLS season. Players with guaranteed contracts will continue to have their salary budget charge applied to the team salary budget, subject to any settlement.
— The MLS roster rules shed some light on the Troy Perkins trade and how it could affect the Timbers bottom line. Assuming that Rickets' contract runs out before Perkins' does, this lets the Timbers off the hook for one or more years of high priced goalie salary and certainly lends some credence to the idea that the Timbers are intent on starting Jake Gleeson in the near future.