Real play Athletic Bilbao while Barcelona visit Real Sociedad in fixtures that have often proved to be among their hardest away trips over the last decade.
Chelsea signed Arrizabalaga from Athletic Bilbao for 80 million euros (£72.10 million) last month and the Spaniard has kept two clean sheets in the side’s four-game winning streak to start the season.
The Blues agreed to make the Athletic Bilbao No 1 the most expensive shot-stopper in history on Tuesday as they look to replace Real Madrid-bound Thibaut Courtois
Roma have also been handed a two-match ban on their supporters at away games, with the suspension for the second match deferred for a probationary period of two years.
The 23-year-old Laporte had a 65 million-euro (57 million pounds) clause in his contract with the Basque side
The Uruguayan is the third-fastest player to reach a century of goals for FC Barcelona