The second lot of fixtures from matchday 4 of the 2013/14 UEFA Champions League were completed on Wednesday night with Barcelona booking their place in the Round of 16.
Sergio Busquets added a second ten minutes later when he headed home Xavi's free-kick without a defender near him before Gerard Pique's own-goal from Kaka's left-sided cross pulled one back for the Rossoneri on the stroke of half-time.
With seven minutes remaining, Messi moved to within seven goals of Raul's all-time Champions League scoring record of 71, when he deftly chipped over Christian Abbiati following a lovely ball from Cesc Fabregas.
Chelsea remained top of Group E courtesy of a 3-0 victory over Schalke at Stamford Bridge thanks to a brace from Samuel Eto'o, including a howler from opposing keeper Timo Hildebrand, and a late goal from Demba Ba.
Arsenal became the first English club to beat Borussia Dortmund at Westfalenstadion when they edged last season's runners-up 1-0 thanks to a second-half header from the in-form Aaron Ramsey as Napoli beat Marseille 3-2 in the other Group F fixture with Gonzalo Higuain netting a double.
2013/14 UEFA Champions League group stage scores - Matchday 4
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