Real Madrid staged a classic smash-and-grab to beat Celta Vigo 2-1 away and move back to third in the Primera Liga on Sunday.
Sevilla and Real Madrid kept the pressure on leaders Barcelona with home wins in the Primera Liga on Sunday.
Having won eight of the past 12 league titles coming into this campaign, where has it gone so wrong for Barcelona?
Tottenham Hotspur, Newcastle United, Blackburn Rovers and Rangers secured four berths for British teams in the knockout phase of the UEFA Cup on Thursday.
Barcelona earned a thrilling 3-2 win at Celta Vigo in their opening Primera Liga match.
However, Arsenal will be without Gilberto and Ashley Cole for the Champions League match against Celta Vigo.
'Rivaldo remains at Milan and tomorrow will leave with the squad for Vigo,' Milan vice-president Adriano Galliani said.
A round-up of weekend action in the major European leagues.
Villarreal's La Liga match at home to Celta Vigo was suspended shortly before the final whistle when a smoke bomb was thrown on to the pitch on Saturday.
An injury to playmaker James Rodriguez could prompt Real Madrid to dip into the transfer market next month and they are interested in Cruzeiro midfielder Lucas Silva among others, coach Carlo Ancelotti said on Monday.
Spain striker Iago Aspas dealt a fresh blow to Barcelona's La Liga title hopes by striking a late free kick to snatch a 2-2 draw at home to the Catalans on Saturday as Quique Setien's side twice threw away the lead in a thrilling match. The draw put Barca back on top of the table on 69 points after 32 games but Real Madrid, on 68, can go two points clear at the summit if they beat Espanyol away from home on Sunday.
27-year-old Manuel Almunia would join Arsenal subject to a brief trial at the club.
A 0-1 loss handed Barcelona their first defeat in 18 matches.
The Brazilian striker scored twice in a 3-2 victory over Celta Vigo in the Champions League first leg knockout tie.
The Arsenal captain is a doubt for the match against Celta Vigo after injuring his knee on Saturday.
Barcelona lost 1-0 at home to Real Zaragoza on a night of upsets in King's Cup quarter-final, first-leg ties on Thursday.
Barcelona's 100 per cent start to the season was ended by Catalonian neighbours Girona, who picked up a draw at the Nou Camp, allowing Real Madrid to take advantage with a victory over Espanyol.
The Spanish League leaders slipped to a 2-0 defeat at home to Real Mallorca.
Depor's two Barcelona-born players scored in each half to secure victory at the Nou Camp.
Real went top with one game to play after thrashing Atletico Madrid 4-0 while rivals Sociedad slipped to a 3-2 defeat at Celta Vigo.
Here are five talking points from the weekend in La Liga.
Kaka wants Real fans to show more gratitude to Cristiano Ronaldo.
La Liga leaders Barcelona drew 0-0 at Huesca on Saturday and are nine points clear of second-placed Atletico Madrid, who cut the gap by beating Celta Vigo 2-0.
The draw means second-placed Atletico Madrid could close the 12-point gap with Barcelona, who are on 74 points, if they beat Celta Vigo later on Saturday.
France forward Antoine Griezmann says he would only leave Atletico Madrid if manager Diego Simeone also quit the La Liga club.
United's leading goal-scorer suffered knee ligament damage during the 2-1 Europa League quarter-final win over Anderlecht last month and has been ruled out for the rest of the season.
The 48-year-old Argentine saw his side produce a stirring fight back from three goals down to draw 3-3 with Liverpool in the Champions League on Tuesday and Spanish media reported that he told his players about the illness at half-time.
Barcelona were in danger of being toppled from the top of La Liga standings on Sunday after they suffered a shock 2-1 defeat at Deportivo La Coruna.