Saturday, May 4 (4:00 pm ET) COLUMBUS (2-3-0, 6 points) at SAN JOSE (3-2-1, 10 points) (TV: ESPN2) Key Players Out: Columbus: Duncan Oughton (caution points), Brian McBride (U.S. national team); San Jose: F Devin Barclay (dislocated shoulder-R), M Scott Bower (partial peroneal nerve palsy-R), D Jeff Agoos (U.S. national team), F Landon Donovan (U.S. national team). Referee: Kevin Stott. Saturday, May 4 (7:30 pm ET) LOS ANGELES (2-1-2, 8 points) at KANSAS CITY (1-1-2, 5 points) (TV: KCAL-LA; DIRECTV: 794; DISH NET: 462) Key Players Out: Los Angeles: F Chris Albright (broken foot-R), Isaias Bardales (knee sprain-R), M Peter Vagenas (lower back strain), Cobi Jones (U.S. national team); Kansas City: D Jose Burciaga (torn ACL-L), Kerry Zavagnin (red card), Tony Meola (U.S. national team). Referee: Michael Kennedy. Saturday, May 4 (7:30 pm ET) CHICAGO (2-2-1, 7 points) at D.C. UNITED (2-4-0, 6 points) (TV: Comcast SportsNet; WCIU (Chicago); DIRECTV: 795; DISH NET: 464) Key players out: Chicago: D C.J. Brown (strained hamstring & groin-L), F Aleksey Korol (bursitis-left knee), D Evan Whitfield (ACL tear-L), Josh Wolff (U.S. national team), DaMarcus Beasley (U.S. national team), Chris Armas (U.S. national team); D.C. United: GK Mike Amman (elbow surgery), M Ben Olsen (ankle surgery), Marco Etcheverry (caution points), Ivan McKinley (red card), Eddie Pope (U.S. national team). Referee: Ricardo Valenzuela. Saturday, May 4 (8:00 pm ET) DALLAS (1-1-3, 6 points) at METROSTARS (3-2-1, 10 points) (TV: MSG; DIRECTV: 796; DISH NET: 463) Key players out: Dallas: F Eddie Johnson (ankle sprain-L); MetroStars: D Marcelo Balboa (knee bone bruise-R), D Steve Jolley (strained hamstring-R), F Martin Klinger (lower back pain), Clint Mathis (U.S. national team). Referee: Peter Kokolski.