Breakdowns of how specific games and famous tactical contests were decided.
Two debutant goalscorers and a flurry of chances carried Roma past Daniele De Rossi's Genoa, answering a week in which they drew twice and surrendered a two-goal Champions League lead.
Daniele De Rossi felt his Genoa side matched Roma for an hour at the Stadio Olimpico before Santiago Castro's chipped finish turned a tight contest into a 2-0 defeat.
Seven changes from the Real Madrid game still delivered a 2-0 win over Genoa, with teenager Emanuele Lulli and summer signing Santiago Castro both scoring their first goals for the club.
Johan Manzambi headed the only goal as Aston Villa beat Newcastle 1-0, deepening the pressure on Matthias Jaissle after a deal that once looked set for St James' Park instead.
A tactical reorganisation in two training sessions, not a miracle turnaround, explains how Davide Nicola's Venezia beat Massimiliano Allegri's Napoli on his debut.
Liverpool overturned Keane Lewis-Potter's opener to win 2-1 after Brentford lost two players to red cards, with Alexander Isak scoring on his comeback from injury.
Nick Woltemade's equaliser and a stoppage-time Randal Kolo Muani header turned Juventus's sluggish display at Celta Vigo into a 2-1 win that keeps them top of the Europa League table.
Luciano Spalletti says he has not been irritable enough with his players and warns that a winless run in Serie A is dragging Juventus into danger ahead of Sunday's game against Lazio.
Akor Adams scored and Filip Stankovic saved a Kevin De Bruyne penalty as Davide Nicola began life as Venezia coach with a 1-0 win over Napoli.
La Dea scored twice in the opening quarter-hour and added a third before the break, but lost Giacomo Raspadori and watched David Luiz limp off as their casualty list grew further.
Gennaro Gattuso concedes Juventus hold the quality advantage ahead of Sunday's trip to Turin, but says his Lazio side, unbeaten in their last two, must attack the game rather than retreat into caution.
Cesc Fabregas confirmed Assane Diao will miss two to three weeks with a muscle injury, leaving Como short in attack as they visit Fiorentina off the back of their first Champions League defeat.
