The Catalans increased their lead at the top of LaLiga to 11 points after beating Getafe 2-0 on Saturday, with second-place Real Madrid only managing to draw against Real Betis.
Real Madrid saw victory slip away in stoppage time as Real Betis snatched a dramatic 1-1 draw in La Liga, leaving the title race still tilted towards FC Barcelona.
Arda Guler has emerged as a major doubt for Real Madrid ahead of their crucial La Liga meeting with Real Betis at Estadio de La Cartuja in Seville tonight after missing training with a muscle issue.
Speculation over tensions at Real Madrid has been firmly dismissed by manager Alvaro Arbeloa, who insists there is no problem with club captain Dani Carvajal despite recent selection decisions.
Sergio Ramos says he expects "news in a few months, or even weeks" as the former Real Madrid and Spain defender moves closer to completing a proposed takeover of his boyhood club Sevilla.
Real Madrid kept the pressure on La Liga leaders Barcelona with a hard-fought win over Alaves at home on Tuesday, while Real Betis edged out Girona in a five-goal thriller.