(Portland, OR)  --  The Portland Timbers are off to a good start in defending their MLS title, picking up a 2-1 win over Columbus at Providence Park.  Diego Valeri scored in the first half and Fanendo Adi scored in the second, to keep the Timbers undefeated in season openers since their first MLS season in 2011.  Portland is now on a ten-game unbeaten streak.  The Timbers will visit San Jose next Sunday.