Ten minutes later, Atletico broke the deadlock as Angel Correa found the back of the net with a low finish from 12-yards out.
Torres, 34, announced on Monday that his second stint with Atletico was nearing its end.
Torres, the fifth Atletico player to score 100 LaLiga goals for the club, has yet to confirm his next move.
The result also guarantees Simeone's side a place in the Champions League for a sixth consecutive season.
60-year-old man behind string of Norfolk armed robberies in custody
Detectives encourage anyone with information about these robberies to call the Norfolk Crime Line at 1-888-LOCK-U-UP. Police have arrested a second suspect in a south Bakersfield shooting that killed a teen boy and injured another.
"Barcelona's season is tremendous", Simeone said.
Atletico now face Real Sociedad on Thursday and Real Betis on Sunday before the Europa League leg at Emirates Stadium but they arrived here with only two wins from their last five matches.
Atletico shaded the first half without creating too many clear-cut chances. It promises to be a long farewell.
Griezmann wasted a one-on-one situation with Oier Olazabal shortly before halftime when he was booked for diving after contact with the goalkeeper. "I hope it's not my last goal of the season and not my last game".
Frustrated at the end of the first half, Griezmann was all smiles early in the second when he thumped home Vrsaljko's cut-back ball from the right, the Croatian full-back cushioning the ball perfectly into the path of his team-mate's advancing run.
That was his last significant contribution, before making way for Torres just before the hour, and Koke was also spared the last 30 minutes, replaced by Gabriel Fernandez.