The Mexican league final four will be decided Sunday with the final pair of quarterfinal second-leg games. ... Tottenham hosts Man United in early morning EPL action on Sunday.

Round 5 of UEFA Champions League Group play continues on Wednesday.

MLS Cup finalists will be determined this weekend when, in conference final second-leg games, Kansas City hosts Houston on Saturday and Portland hosts Real Salt Lake on Sunday.

European World Cup qualifying playoffs start on Friday. ... The USA plays at Scotland in a Friday friendly. ... African World Cup qualifying second-leg playoffs start on Saturday.

MLS is off, as are the big European leagues, but there is lots of soccer on the air over the next six days.

On the eve of the biggest game in the Portland Timbers' short MLS history, "Tifo: Inside the Timbers Army" offers an inside look at why the Portland-Seattle rivalry is the biggest in MLS: the size and fervor of their fans, in this case the Timbers Army, Portland's independent supporters group.