Copa Libertadores resumes on Tuesday with four matches, though the round's best fixtures don't take place until later in the week. The biggest and most competitive match is likely the one in Group 8, where Peñarol host Atletico Nacional. The games with the biggest name teams take place on Wednesday, with La U and Velez hosting Godoy Cruz and Chivas Guadalajara. The Brazilian teams and Boca Juniors have the week off.
Peñarol vs. Atletico Nacional - Tuesday, 5:15 p.m. ET
While Peñarol were taken down by Godoy Cruz in the first set of matches, Atletico Nacional pulled off a spectacular upset of Universidad de Chile, in which they held the Sudamericana champions to just one shot. Even with Atletico's win, these teams are the third and fourth favorites in a hyper-competitive Group 8. Peñarol will see this game as a must-win. A draw would be a good result for the visitors.
Bolivar vs. Union Española - Tuesday, 7:30 p.m. ET
The teams from La Paz, Bolivia always give opponents trouble in the Libertadores at altitude, but Bolivar did something surprising in the first round when they got a point off Universidad Catolica in Chile. Union Española also pulled off a surprise with the comfortable nature of their win over Junior. These teams were third and fourth favorites for Group 3 entering the tournament and will see getting points off of each other as crucial.
Arsenal di Sarandi vs. Zamora - Tuesday, 7:30 p.m. ET
Arsenal lost to Fluminense by one goal on the road in their tournament opener, so this will be the first real test of their knockout stage credentials. Zamora got a point off Boca Juniors at home in Venezuela last week, but a road win in Argentina seems less likely.
Cruz Azul vs. Deportivo Tachira - Tuesday, 9:45 p.m. ET
Cruz Azul have yet to lose in any competition in 2012, but their five draws from seven games domestically is hardly impressive. They were good in their victory over Nacional last week and will be favorites to take all three points against Deportivo Tachira. The Venezuelan side got a point at home off Corinthians, but a trip to Mexico City will probably be too tough for them to snatch points.
Universidad de Chile vs. Godoy Cruz - Wednesday, 5:45 p.m. ET
After last week's disastrous performance, Jorge Sampaoli's boys are in need of a win at home on Wednesday. Their opponent is in excellent form, however, and has the talent to match them. Godoy Cruz appears to have improved their defense drastically in the last year while keeping their attack potent. This is likely to be the best match of the week, and it could tell us a lot about how good these teams really are.
Velez Sarsfield vs. Chivas Guadalajara - Wednesday, 8:00 p.m. ET
Chivas has not yet won a game in any competition in 2012, and there's no reason to believe they're going to change that on Wednesday. Following their 1-1 home draw with Deportivo Quito in the first round of games and their 0-0 draw with San Luis at the weekend, they're unlikely to fare better after a long trip to Buenos Aires. Velez destroyed Defensor Sporting on Matchday 1 and won big in their last league game. This could get ugly.
Olimpia vs. Lanus - Thursday, 5:30 p.m. ET
If Olimpia get a draw at home out of this fixture, they should consider it a victory. Lanus are the only team in Argentina with two wins from their first two games and they did well to draw Flamengo in their first Libertadores match. Meanwhile, Olimpia are not off to a great start domestically and were not good against Emelec in their first match.
The Strongest vs. Juan Aurich - Thursday, 7:45 p.m. ET
If The Strongest can beat Santos FC, why not Juan Aurich? The Peruvian side was calmly beaten by Internacional in their first Libertadores match, so a trip to La Paz to face a team that dispatched of Neymar, Ganso and co. probably doesn't sound terribly appealing to them.
Universidad Catolica vs. Atletico Junior - Thursday, 7:45 p.m. ET
UC and Junior were favorites to advance out of this group, but didn't look good in their first matches. Junior lost away to Union Española, while UC drew Bolivar in La Paz. If a trip to Chile was tough for Junior to handle in the first round, a second trip to Chile to face a team with a superior roster doesn't seem like it's going to go well for them.