The striker, who has been reunited with Jose Mourinho after joining on a free transfer from Anzhi Makhachkala in August, was struggling to break into the Real Madrid first team before joining Mallorca after a successful loan spell.
|ETO'O SET FOR CHELSEA DEBUT
|4/1||Samuel Eto'o is 4/1 with BetVictor to score over 14.5 league goals this season
"I met Luis at a crucial moment in my life where I had to take the right direction - and thanks to him I did," Eto'o is quoted as saying by The Sun.
"I was about to sign that very afternoon at Arsenal and maybe I would have never been the player I am today. Luis picked me, then I ended up joining Barcelona.
"That decision changed everything."
Eto'o went on score 54 goals in 135 Liga outings for Mallorca, winning the Copa del Rey in the process, before claiming three Liga titles and two Champions League winners' medals with Barcelona.