Analysis: Four things we learned in Spain's matchday 20

MADRID, Jan. 20 (Xinhua) -- Real Madrid returned to the top of La Liga this weekend after Atletico Madrid lost in Leganes and Barcelona was held by Getafe. Here are four things we learned in La Liga this weekend.

1. Mbappe back to his best (without Vinicius on the pitch)

Real Madrid returned to the summit with a 4-1 win at home to Las Palmas, recovering quickly after having conceded an early goal.