 Under Porter's guidance, the Timbers made Providence Park one of the toughest places to play in the league, registering a regular-season mark of 24–7–20 at Providence Park over the three seasons 2013–15.In 2015, the Timbers once again reached the MLS Cup Playoffs, setting a new single-season club record in wins (15), while leading the league with 13 shutouts.Porter led the Timbers to their first MLS Cup final, which they won, 2–1, against Columbus Crew SC.