TUCSON, ARIZ. – Seattle Sounders FC wrapped up its preseason action in Tucson in a 2-1 loss to Mexican side Celaya FC on Tuesday evening at Kino Sports Complex. Forward Nelson Valdez tallied his first goal of the preseason in the second half, but the Rave Green couldn’t overcome two early scores from Celaya. Sounders FC resumes its 2016 preseason presented by adidas this weekend when the club travels to Mt. San Antonio College for a week of training from February 13-18, as well as a pair of friendlies before starting the 2016 campaign on Tuesday, February 23 against Club America in the first leg of the 2015-2016 Scotiabank CONCACAF Champions League Quarterfinal Round at CenturyLink Field.