Breakdowns of how specific games and famous tactical contests were decided.
A goalkeeping error from a corner and a late Mathys Tel strike gave Tottenham a first league win at Stamford Bridge since 2018, with Cole Palmer sent off and Xabi Alonso suffering his first home defeat as Chelsea manager.
A 4-4 draw at Bergamo saw four different leads change hands as Atalanta's injury-ravaged side failed to see out any of them against newly-promoted Frosinone.
A stunning Mikael Ellertsson strike against his old club gave Genoa a crucial win at Marassi, even as Venezia dominated the shot count and squandered the clearer chances.
Milan's 2-0 win at Udinese doubled as a stress test of squad depth, with Ruben Amorim pushing Davide Bartesaghi forward and accepting the defensive cost that comes with it.
Alexander Isak's third goal in as many games and a deflected opener gave Liverpool a 2-0 win that exposed the gap between Brighton's results and their underlying numbers.
José Mourinho's Real Madrid beat long-unbeaten Barcelona 2-1 with a late Kylian Mbappé winner, built on a possession game few expected from the Portuguese.
Kosta Runjaic deflected questions about his future after Udinese fell to Milan at the Stadio Friuli, their sixth consecutive Serie A loss, pointing instead to an injury-hit squad still finding its feet.
A goal and an assist from Douglas Luiz lifted Juventus to a 2-0 win over Lecce, easing the pressure after back-to-back damaging results and papering over a squad stretched to just 17 fit outfield players.
A restructured midfield gave Juventus control for 45 minutes at Lecce, but Luciano Spalletti admits his side lost their nerve once the hosts changed shape.
Ruben Amorim reshuffled his Milan side for the trip to Udinese, insisting Thursday's 3-0 Europa League defeat at Bournemouth was about application rather than quality.
Cristian Chivu explains the reasoning behind starting Ivan Provedel in goal and Henrikh Mkhitaryan in midfield as Inter chase Lazio at the top of Serie A.
Cesc Fabregas's side followed their Champions League rout of Manchester United with a controlled 2-0 win, Anastasios Douvikas scoring both goals after a halftime reshuffle unlocked the game.
