On Thursday, D.C. United aims to overcome a 1-0 deficit when it hosts Chicago in the first of the week's four conference semifinal second-leg games.

Three MLS playoff games overlap on Saturday. In the English Premier League, struggling Liverpool takes on undefeated Arsenal on Sunday.

The European Champions League hits Game Day 3 this week and games televised in the USA include Tuesday's clash between Barcelona and Glasgow Rangers, for which American DaMarcus Beasley could see action. MLS playoffs kick off on Thursday when Chicago hosts D.C. United

It's the last weekend of the MLS season. Four teams -- Colorado, Kansas City, Chicago and Los Angeles -- vie for the two remaining playoff spots. In the Spanish La Liga, both Real Madrid and Barcelona play on Saturday (Gol TV). Barcelona hosts Villarreal, for whom New Jersey product Giuseppe Rossi has scored five goals in seven games.

The U.S. men face Switzerland in a friendly in Basel on Wednesday. The Los Angeles Galaxy needs another win on Thursday, when it hosts New York, to keep its playoff hopes alive. Midweek broadcasts also include European Championship 2008 and South American World Cup 2010 qualifying. Besides live and delayed coverage on GolTV, the South American qualifiers will also be available in theaters on closed circuit, on pay-per-view on DISH Network and for a fee online at JUMPTV.

South American qualifying for the 2010 World Cup kicks off this weekend. Besides live and delayed coverage on GolTV, the South American qualifiers will also be available in theaters on closed circuit, on pay-per-view on DISH Network and for a fee online at JUMPTV. There's also European Championship qualifying and Mexico meets Nigeria in a friendly on Sunday. D.C. United's trip to Chicago highlights the MLS action.

The Copa Sudamericana quarterfinals kick off on Wednesday. Thursday night's ESPN2 MLS game pits FC Dallas against Chivas USA. European Championship qualifying continues this weekend, which is also when South American World Cup qualifying kicks off. South American qualifying games will be broadcast by Gol TV and are available pay-per-view on DishNetwork. Click HERE for info on DishNetwork packages. (All times Eastern unless noted. TV programming is always subject to change. Check your local listings and soccerTV.com)

The weekend's MLS action kicks off on Friday evening when Kansas City hosts D.C. United. Also on Friday, an ACC college men's battle between Maryland and Clemson. Among the weekend's must-see international games is Barcelona's clash with Atletico Madrid on Sunday.

Midweek action includes European Champions League action, starting Tuesday with Manchester United-Roma and VfB Stuttgart- Barcelona clashes. Also on Tuesday, D.C. United takes a 2-1 lead to Guadalajara for the second leg of their Copa Sudamericana round of 16 series. FC Dallas and New England meet in the U.S. Open Cup final on Wednesday.