Wednesday at 7 p.m., Talen Energy Stadium.
TV: The Comcast Network.
Records: Galaxy, 5-1-3, 18 points; Union, 4-3-1, 13 points.
Coaches: Galaxy, Bruce Arena, 195-116-76; Union, Jim Curtin, 21-25-14.
Galaxy on the road: 1-1-2; Union at home: 3-0-1.
Most recent game: The Galaxy won at New England, 4-2, on Sunday. The Union played visiting San Jose to a 1-1 draw on April 30.
Goals for: Galaxy, 22; Union, 11.
Goals against: Galaxy, 10; Union, 8.
About the Galaxy: Robbie Keane returned after missing five games following knee surgery to score twice against New England.