The United States opened with a come-from-behind win over Jamaica (2-1), while Canada tied El Salvador (1-1) despite finishing with 10 players. USA-Canada TV: April 28 11 p.m. PT/FSW (delay), April 30 11 p.m. ET/FSWE (delay). CONCACAF Qualifying: The top team in Group A will advance to the FIFA Under-17 World Championship in Trinidad & Tobago in September. If Jamaica wins or draws against El Salvador on Friday, the U.S. can clinch the Group A with a win over Canada. T&T, as the host country, has already secured a spot, and the final CONCACAF representative will be determined at the Group B qualifying tournament in Honduras May 2-6. Weather: The U.S. squad could encounter an opponent outside of their CONCACAF foes if the rain rolls into St. Louis as expected this weekend. A drizzle is expected Friday afternoon with a chance of thunderstorms. Sunday the weather is forecasted to bring precipitation as well as warmer weather. USA-Canada Rivalry: The U.S. has met Canada four times in CONCACAF tournament, winning the three most recent matches. The lone U.S. loss was a 2-1 decision in 1988. The current U-17 teams have met once. After allowing a Canada goal in the 20th minute, the U.S. answered back with four consecutive goals to post a 4-1 in at the Soccer Hall of fame in Oneonta, N.Y., on Aug. 12, 2000. Ed Johnson tallied one goal and two assists in the win for the U.S. Paul Johnson scored the game-winner in the 44th minute, with Ed Johnson recording the assist. Canada history: Canada has played in four Under-17 World Championships, more than any other CONCACAF team, outside of the United States and Mexico. Canada has twice appeared in consecutive World Championships, most recently in 1993 and 1995 and also in 1987 and 1989. Each appearance has ended the same, with Canada finishing 16th in the 16-team tournament. In 12 matches at the Under-17 World Championship, Canada is 0-12 and has been outscored, 42-3.