CD SAPRISSA (COSTA RICA)AT SEATTLE SOUNDERS FC7 p.m. Tuesday, Qwest Field.TV: Will air at 1 a.m. Wednesday on Fox Soccer Channel. RADIO: 97.3 FM.ABOUT THIS COMPETITION: CONCACAF Champions League is a tournament involving top clubs from North America, Central America and the Caribbean. Seattle qualified by winning the 2009 U.S. Open Cup. Group play consists of six games, each team in the group playing the other three home and away. The top two finishers in each group will advance to the knockout rounds. Monterrey (4-0-1) already has clinched to the top spot, and Seattle (1-4) cannot advance. However, the No. 2 spot is still up for grabs between Saprissa (2-2-1) and Marathon (2-3). … Seattle already has qualified for the 2011-12 Champions League by defending its U.S. Open Cup title. ABOUT SAPRISSA: Deportivo Saprissa was founded in 1935. It is the most decorated club in Costa Rica, having won the league 29 times. The club also won five Central American titles and three CONCACAF Champions Cups. This is its third consecutive Champions League appearance, qualifying this season as Costa Rican Verano champions. The club’s nickname is El Monstruo Morado: the Purple Monster. Its home stadium in San Juan, Costa Rica, uses an artificial surface. NOTES: Saprissa won the earlier meeting, 2-0, on its home pitch. … Seattle is 14-9-6 in MLS after beating Chivas USA, 2-1, at home Friday. Saprissa is 4-6-3 in the Costa Rica Primera Division after falling, 4-3, at Perez Zeledon on Saturday. … The Sounders are expected to go with a largely reserve lineup. Starting defender Patrick Ianni is likely to be held out while recovering from an ankle injury suffered Friday in the 2-1 win over Chivas USA. However, leading scorer Fredy Montero is expected to play after becoming ineligible for the regular-season finale Saturday at Houston due to yellow-card accumulation. … Sounders left back Leo Gonzalez is from San Jose, C.R. … Tickets remain available.NEXT: Seattle finishes its MLS regular season at 1 p.m. Saturday at Houston.