Suarez, 33, has joined Atletico Madrid on a free transfer, although Barca could make up to €6 million on the move based on a number of performance-related variables.
The deal is expected to be for two years,
Atletico coach Diego Simeone was the driving force behind the move for Suarez, which fell into place once Alvaro Morata joined Juventus on loan on Tuesday.
The Rojiblancos, like Barca, are in a period of financial uncertainty due to the coronavirus pandemic and needed to make room on their wage bill before signing new players.
Suarez, who recently became the third-highest scorer in Barca’s history with 198 goals, was told he was surplus to requirements by new coach Ronald Koeman last month.