Lionel Messi comes on at half-time to score a decisive goal as Barcelona wrap up their 26th La Liga title against Levante.
Real Madrid beat Levante thanks to two disputed penalties from Karim Benzema and Gareth Bale.
Tottenham winger Georges-Kevin N'Koudou joins Monaco on loan until the end of the season.
Atletico Madrid move two points behind La Liga leaders Barcelona after beating Getafe, who have two players sent off.
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The best European transfer deadline day news as new Roma boss Luciano Spalletti strengthens his side and Chinese Super League clubs shake up Europe's transfer market.