CORINTHIANS may ask that their weekend game with Rio Branco be annulled after a remarkable, but debatable, goal by Rio striker Marcelo Carioca. Carioca hit a 20-metre free kick against the crossbar and then banged in the rebound himself from outside the penalty area. Referee Claudio Cerdeira awarded the goal in the 2-2 draw even though the ball did not appear to touch any other player, as the rules say it should. The incident came in the 66th minute of the Sao Paulo championship game with the score at 1-1. Cerdeira said he had seen the ball touch a player in the wall, a claim commentators said was disapproved by television replays. Corinthians players did not protest at the time but the club said later they were considering asking for the result to be scrapped. The draw left Corinthians fourth in the table at the halfway stage of the first round. The top seven teams plus the Second Division winners go through to the next stage. Portuguesa lead after beating Ferroviaria 2-0, Palmeiras are second after beating Uniao Sao Joao 3-1 and Santos are third after their 1-1 draw at home to Sao Paulo. Bentinho opened the scoring for Sao Paulo in the 10th minute and Santos needed a dubious penalty, converted by Marcelo Passos, to equalise 17 minutes from the end. Bottles were thrown at Sao Paulo players during the game. Flamengo, without injured striker Romario, threw away a two-goal lead and were held to a 2-2 draw by Bangu in the Rio de Janeiro championship. Flamengo lead the final stage of the tournament by eight points from Botafogo. Meanwhile, unlucky Platense striker Arsenio Benitez had three goals disallowed in one game in the Argentine championship. To make matters worse, Platense were beaten 1-0 at home by Lanus, who went one point clear of Boca Juniors at the top of the table in the Clausura Championship. There was more controversy in the River Plate-San Lorenzo derby where three players, including River Plate's veteran Uruguayan striker Enzo Francescoli, were sent off. River won 3-2. Benitez's afternoon of misery began in the 32nd minute when his header was disallowed for offside and another apparent goal was ruled out in the 66th minute for the same reason. Benitez, who also had a penalty appeal turned down early in the second half, then had a last minute header ruled out because the referee said he had pushed a defender. Eight minutes earlier, Platense defender Daniel Mayo had conceded an own goal to give Lanus both points.