Saturday, April 27 (4:00 pm ET) WASHINGTON (1-1-0, 3 points) at ATLANTA (0-2-0, 0 points) (TV-PAX) Key Players Out: Washington — D Casey Zimny (ruptured ovarian cyst), F Mia Hamm (knee), GK Siri Mullinix (shoulder), F Abby Wambach (U.S. national team); Atlanta — Kylie Bivens (U.S. national team). Referee: Todd Perry. Saturday, April 27 (7:00 pm ET) PHILADELPHIA (1-0-0, 3 points) at NEW YORK (1-1-0, 3 points) (TV-MSG) Key Players Out: Philadelphia — Rakel Karvelsson (torn knee ligaments), Mandy Clemens (U.S. national team), Lorrie Fair (U.S. national team); New York — Tiffeny Milbrett (U.S. national team), Minna Mustonen (U.S. national team). Referee: Jennifer O’Brien. Saturday, April 27 (7:00 pm ET) SAN DIEGO (1-1-0, 3 points) at BOSTON (1-1-0, 3 points) (TV-AT&T3, COX4) Key Players Out: San Diego — Jen Mascaro (broken foot), Joy Fawcett (U.S. national team), Julie Foudy (U.S. national team), Shannon MacMillan (U.S. national team); Boston — Jena Kluegel (U.S. national team), Angela Hucles (US national team), Kristine Lilly (U.S. national team). Referee: Faith Rossi. Saturday, April 27 (7:30 pm ET) CAROLINA (1-0-0, 3 points) at SAN JOSE (1-1-0, 3 points) (TV-Action 36, CNNSI) Key Players Out: Carolina — Danielle Slaton (U.S. national team); San Jose — Brandi Chastain (U.S. national team). Referee: Rachel Woo.