 He led Real Salt Lake to its first-post season playoff appearance in 2008 and in 2009 he coached the team to its first MLS Cup championship.Kreis is the youngest coach in MLS history to win the MLS Cup.Following the 2009 MLS Cup win, Kreis would lead Real Salt Lake to playoff appearances in every subsequent season through 2013, including an appearance in the 2013 MLS Cup, which RSL lost to Sporting Kansas City in dramatic fashion on penalty kicks.