Lionel Messi on Saturday finally put pen to paper on a contract extension keeping him at Barcelona until 2021 , the club announced, making official an agreement reached in July .
The Spanish giants had announced in the summer that Messi had committed his future to the club but the Argentine had not signed the new deal , with his existing contract set to expire in 2018 .
“ FC Barcelona and Lionel Messi signed on Saturday morning a new contract that will keep the Argentinian superstar at the club through the 2020 / 21 season,” read a club statement . “ The buyout clause was set at 700 million euros ( $ 835 million ) .”
