The 2015 Portland Timbers season was the 5th season for the Portland Timbers in Major League Soccer (MLS), the top flight professional soccer league in the United States and Canada this season resulted in the Timbers winning the 2015 MLS Cup.

Desert Friendlies Simple Invitational The Cascadia Cup is a trophy that was created in 2004 by supporters of the Portland Timbers, Seattle Sounders FC and Vancouver Whitecaps FC.

It is awarded to the club with the best record in league games versus the other participants.

Updated to match played January 23, 2012Source: Portland Timbers

Last updated: February 5, 2015Source: Portland Timbers All players contracted to the club during the season included.