Saturday, 9 p.m. Dick's Sporting Goods Park, Commerce City, Colo.
Records: Union, 5-3-4, 19 points; Colorado, 8-2-3, 27 points.
TV: The Comcast Network.
Last game: The Union played to a 2-2 draw Wednesday at Orlando City. Colorado won, 1-0, at Seattle last Saturday.
Coaches: Union, Jim Curtin, (22-25-16; Colorado, Pablo Mastroeni, 25-35-21.
Goals for: Union, 17; Colorado, 16.
Goals against: Union, 13; Colorado, 9.
Union on the road: 1-3-2.
Colorado at home: 6-0-0.
About the Union: Defender Joshua Yaro, who was limited to playing a half on Wednesday after suffering a shoulder injury, is questionable.