Diego Simeone’s side secured a first league title since 2013 as Luis Suarez’s late strike snatched a 2-1 win away at Real Valladolid.
Koeman admitted his side had blown their chance to win the title but hinted Atletico’s performance’s over the last nine months were the decisive factor in the title race.
“Atletico deserved to win the championship,” he told a post match interview with Marca.
“They have been leaders for a long time, they have a very well made squad.
“They were a little better than Real Madrid and Barcelona. We have made changes at the club and that success is not achieved in one season.
“Because of the changes made, we deserve to have more time here.”
Koeman also indicated he does think the current Barcelona squad is good enough to win the title and he expects to bring in new faces this summer.
However, his own future remains the subject of intense speculation following their capitulation this month but the former Ajax coach claimed there is no update on his role in Catalonia.
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