This weekend's saw the pacesetters in many of the world's top leagues cement their positions at the head of the standings. takes a closer look at the championships in question to bring you the pick of the latest developments.

Argentinian Apertura: Boca lose further ground
Boca Juniors suffered their first reverse of the Apertura 2008, surprisingly losing to Tigre at the Bombonera. The visitors, who moved up to second after handing the Xeneizes their first home defeat in 30 games, found themselves two goals to the good after just 12 minutes. And though the home side responded quickly to drew level before the half-hour mark, parity lasted just a few minutes before the Matadores made it 3-2, which is how it ended.

Big game: San Lorenzo showed no signs of letting up as they continue to lead from the front in the title race. On the receiving end of El Ciclón's 3-0 victory this weekend were Colon Santa Fe, as the Amargo outfit maintained their two-point advantage over both Tigre and Velez Sarsfield.
Headline-grabber: Martin Morel was the star man for Tigre against Boca Juniors, the midfielder's brace stunning the Bombonera faithful into silence and keeping his side within touching distance of the leaders.

Brasileirao: Palmeiras on heels of leaders Gremio
Though unable to make up for last weekend's defeat by Goias, Gremio did manage a scoreless draw away to Atletico Paranaense on Matchday 26 to keep their noses in front in the title race.

Big game: Palmeiras cranked up the pressure on the leaders with a 2-0 home win over Vasco de Gama. Diego Souza and Alex Mineiro grabbed the all-important goals for the Paulista outfit, who moved to within a point of Gremio.
Headline-grabber: Cruzeiro's superb comeback away to Figueirense earned them plenty of plaudits this weekend, and kept them just four points behind the leaders. The star man for the visitors was Guilherme, whose two strikes included both the game's opening goal and the winner 12 minutes from time.

Mexican Apertura: San Luis eke out win over Pumas
The showdown between Pumas and Real San Luis, the leaders in Group 2 and 3 respectively, went the way of the visiting Potosi side after Victor Piriz netted them the only goal of the game on 19 minutes. The win moved San Luis five points clear in their section, while Pumas had their lead over Cruz Azul cut to one point in their pool. Atlante, meanwhile, secured an impressive away win over America at the Azteca and are now three points clear in Group 1.

Big game: Cruz Azul and Santos crossed swords again after their meeting in the final of the Clausura 2008. And even though both sides showed plenty of commitment at the Estadio Azul, the match remained scoreless until a minute from time, when Vicente Matia put the visitors ahead. However, with victory for Santos seemingly assured, Gerardo Torrado promptly saved the hosts' blushes with the equaliser three minutes into stoppage time.
Headline-grabber: The Chilean Hugo Droguett took centre stage for Morelia in their 4-0 win over Monterrey, the midfielder not only scoring twice but also providing assists for his side's other two goals.

American Major League Soccer: Chivas boost hopes
With six matchdays remaining in the regular season, things look clear-cut in the Eastern Conference, where Columbus Crew and New England Revolution remain on course for the play-offs. Over in the Western section, however, the teams in second down to seventh place are so bunched that even joint-bottom Los Angeles Galaxy could still make the end-of-season playoffs.

Big game: Chivas USA gave their play-off hopes a real boost with a 1-0 win at Real Salt Lake. The triumph, courtesy of an Alecko Eskandarian strike, moved the California side into second spot in the Western Conference behind Houston Dynamo.
Headline-grabber: Despite his Los Angeles Galaxy side being joint-bottom of the Western Conference, the prolificacy of USA international Landon Donovan has kept them in with a shout of making the play-offs. Three more against DC United on Saturday inspired the Galaxy to a 5-2 win and took his personal tally to 19 for the campaign.