The in-form striker netted his team's opener against Celta Vigo on Saturday evening, before Antoine Griezmann scored a second as Atletico recorded a 2-0 victory at the Vicente Calderon.
Torres, who is in talks with Atletico over a permanent contract, has thanked the club's fans for their "unconditional support" as he looks ahead to the Champions League final against Real Madrid on May 28.
Finishing La Liga the best way possible. Thanks fans for your unconditional support. See you in Milan pic.twitter.com/BMUFOEDX98— Fernando Torres (@Torres) 14 May 2016
Atletico ended the 2015-16 La Liga season in third place, two points behind second-placed Real Madrid and three behind the champions Barcelona.