Colo Colo won the Chilean championship for the fifth time in six attempts and a record 28th overall when they beat 10-man Palestino 3-1 in the second leg of the final.
Lucas Barrios was the hero for Colo Colo as the Caciques claimed a 2-0 win over arch-rivals and Clausura leaders Universidad de Chile on Sunday.
Everton beat Colo Colo 3-0 in the second leg of the Chilean Apertura championship final on Tuesday to win their first title in 32 years and deny their opponents a fifth successive crown.
Claudio Borghi confirmed on Thursday that he was quitting as coach of Colo Colo.
Argentine midfielder Dario Bottinelli scored twice on his debut as Universidad Catolica thrashed newly-promoted Santiago Morning 8-2 in their opening match of Chile's Apertura championship.
Audax Italiano lost a 24-match unbeaten record when they went down to a surprise 2-1 defeat against Deportes Concepcion in the Chilean championship on Wednesday.
Universidad de Chile, one of the country's most popular clubs, failed to attract any offers were they put up for sale on Thursday.
Chile's footballers, who have often complained about poor working conditions and problems in getting paid, will get the same rights as other workers under a new law passed by Congress on Tuesday.
Midfielder Matias Fernandez scored another outstanding goal to help Colo Colo beat Audax Italiano 3-0 in the first leg of the Chilean championship final on Wednesday.
Colo Colo scored from two first-half penalties to beat Toluca 2-1 at home in the first leg of their Copa Sudamericana semi-final on Thursday.