U.S. national team coach April Heinrichs called up 24 players for the camp to prepare the international friendly with Mexico Jan. 12 in Charleston, S.C., and a trip to Guangzhou, China, where the Americans will play Norway (Jan. 23 in Huadu Stadium), Germany (Jan. 25 Panyu Stadium) and China (Jan. 27 in Tianhe Stadium). Of the 24 players called into the Charleston training camp, 17 are WUSA players and seven recently completed their college seasons. Three young players who distinguished themselves in the WUSA in 2001 — San Diego’s Shannon Boxx and Nancy Augustyniak and Kylie Bivens of the Atlanta Beat, may get the chance to earn their first full national team caps. Only 500 corner seats remain for the Mexico match, priced at $18 each, at the 5,113-seat Blackbaud Stadium. Goalkeepers — Lakeysia Beene (San Jose CyberRays, 4/0), Jaime Pagliarulo (San Diego Spirit, 3 caps/0 goals), Hope Solo (Univ. of Washington, 7/0). Defenders — Nancy Augustyniak (Atlanta Beat, 0/0), Kylie Bivens (Atlanta Beat, 0/0), Thori Bryan (San Jose CyberRays, 56/0), Brandi Chastain (San Jose CyberRays, 143/25) 143/25, Joy Fawcett (San Diego Spirit, 185/24), Jena Kluegel (Univ. of North Carolina, 13/0), Cat Reddick (Univ. of North Carolina, 10/1), Danielle Slaton (Santa Clara Univ., 24/1), Kate Sorbrero (Boston Breakers, 67/0). Midfielders — Shannon Boxx (San Diego Spirit, 0/0), Aleisha Cramer (Brigham Young University, 16/0), Lorrie Fair (Philadelphia Charge, 89/7), Julie Foudy (San Diego Spirit, 202/38), Kristine Lilly (Boston Breakers, 228/87), Aly Wagner (Santa Clara Univ., 15/5). Forwards — Danielle Fotopoulos (Carolina Courage, 26/11), Mia Hamm (Washington Freedom, 127/35), Shannon MacMillan (San Diego Spirit, 127/35), Tiffeny Milbrett (New York Power, 169/86), Cindy Parlow (Atlanta Beat, 101/46), Abby Wambach (Univ. of Florida, 1/0).