Barcelona midfielder Sergi Roberto has signed a new contract that will keep the 22-year-old tied to the Spanish giants until 2019.

"Fc Barcelona have reached an agreement for the renewal of Sergi Roberto's contract, which was due to end on 30 June, 2015, until June 30, 2019," the club said in a statement on Wednesday.

"His buyout clause will be 30 million euros ($38.9 million, £23.9 million) which could rise to 40 million euros."

The Spanish under-21 international made 27 appearances in all competitions last season, but has played just 12 minutes so far this campaign under new boss Luis Enrique.