Chelsea threw away a two-goal lead against Roma before recovering to draw 3-3 in the Champions league on Wednesday, while Juventus labored to a 2-1 win at home to Sporting lisbon.
It was easier for Paris Saint-Germain and Bayern Munich. The German side beat Celtic 3-0 and PSG won 4-0 at Anderlecht to remain perfect. Elsewhere, Atletico Madrid looks to be heading for an early exit after drawing 0-0 at Qarabag. Basel won 2-0 at CSKA Moscow.
United get lucky
Manchester United took advantage of an embarrassing mistake by the youngest goalkeeper ever to play in the Champions league to beat Benfica 1-0 and maintain its Group A lead.
Belgian goalkeeper Mile Svilar, making his Champions league debut at age 18, was deceived by a long free kick taken by Marcus Rashford in the second half, going over the line while holding the ball with his arms outstretched in front of him.
Elsewhere, Cheslea salvaged a point against Roma when Eden Hazard headed in his second goal of the night in the 75th minute.
Edin Dzeko's double had briefly put Roma in front but 2012 Champions league winner Chelsea remains two points ahead of the Italian club at the top of the group.
Meanwhile, lionel Messi scored his 100th goal in European competition when he curled a free kick over the wall in the 61st minute in a 3-1 victory. Olympiakos goalkeeper Silvio Proto got a hand on the ball but couldn't keep it out as Messi took his career tally in the Champions league to 97 goals.
Messi also set up left back lucas Digne to score in the 64th when he dribbled around a defender before cutting the ball back through the area for his teammate to drive it home.