Five things we learned after another extra dramatic round of La Liga action -- with four different competition leaders on Sunday, and Real Madrid finishing the weekend top.
1. Accidental leaders
Real Madrid kicked off last of La Liga's games Sunday -- knowing that three points at home to Athletic Bilbao would see Zinedine Zidane's team jump from fifth to first place in the standings.
Karim Benzema capitalised on a slip by Athletic's third-choice left-back Enric Saborit to open the scoring early....