Serie A leaders Milan were stunned 2-0 by Spezia to give Inter the chance to leapfrog them, while Atletico Madrid went eight points clear in La Liga.
Real Madrid drew level with Atletico Madrid at the top of La Liga with a 2-0 win over Granada, plus all the latest from Serie A and La Liga.
Robert Lewandowski continued his hot goal-scoring streak with a hat-trick in Bayern Munich's 5-0 thumping of Eintracht Frankfurt.
Chelsea right-back Davide Zappacosta has joined Serie A side Genoa on a season-long loan deal.
Genoa are still in talks with Tottenham over signing Danny Rose, despite the Serie A side's inability to pay all of the left-back's wages slowing the deal's progress.
Genoa have told Sky Italy the club has held talks with Tottenham over the signing of defender Danny Rose.