Barcelona avoided a slip up as they recorded a 2-0 home win over Cadiz. Following the win La Blaugrana extend an 8 point gap over rivals Real Madrid.
Despite struggling against Cadiz in the opening minutes, the host were ruthless in the final minutes of the first half.
Sergi Roberto headed home the opener before Lewandowski fired home his 15th league goal of the campaign.
Marc-Andre Ter Stegen denied Cadiz in the closing stages of the game.