Juventus ground out a 1-0 win at Sampdoria on Sunday but will be left counting the cost after losing Paulo Dybala to injury ahead of a tough run of matches.
Mbappe scored twice Sunday and earned a penalty as Monaco kept its three-point lead intact at the top of the standings with a 3-0 away win.
Lionel Messi scored his 40th and 41st goals in all competitions this season to lead Barcelona to a 4-2 victory over 10-man Valencia in the Spanish league on Sunday.
United defied the absence of the suspended Zlatan Ibrahimovic to beat relegation-threatened Middlesbrough 3-1 away in a match that ended with player bust-ups on and off the field.
Russell Westbrook had 28 points, 10 assists and eight rebounds to help the Oklahoma City Thunder roll past the Sacramento Kings 110-94.
The host team China suffered a poor start to the World Women's Curling Championships 2017, losing 9-3 to world No 2 Canada.
Roger Federer might soon have to reset his goals for the year, seeing how well things are going for him.
Anthony Modeste boosted his appeal among suitors with a hat trick for Cologne to end its six-game winless run.
Nice lost more ground in the race for the French league title after being held to 1-1 at Nantes.
Joe Hart gifted Inter Milan both of its goals but Torino managed to draw 2-2 in Serie A and damage Inter's bid for a Champions League place.