The St. Louis Cardinals, seeking to strengthen a struggling bullpen, acquired right-handed reliever Esteban Yan and an undisclosed amount of cash from the Texas Rangers on Tuesday.
The Rangers received minor league outfielder Rick Asadoorian.
http://sports.yahoo.com/mlb/news?slug=a ... &type=lgns
does this affect his value? should i pick him up if i have a struggling bullpen?