In a wide-ranging presser, Tebas had harsh words not only for Manchester City and Paris Saint Germain, whom he accuses of "financial doping", but also for Federation Internationale de Football Association and UEFA.
Lionel Messi has already signed a new contract with Barcelona and committed his future at Camp Nou, according to LaLiga president Javier Tebas.
Tebas told a press conference he hoped to seal a new deal by March 2018 and that the sum included feees for domestic and worldwide broadcasting rights.
In Guillem Balague's Q&A with Sky Sports on October 20, he said: "Messi is getting paid according to the new contract".
"Messi has renewed his deal, at least that's what Barcelona have suggested to me".
And La Liga president Javier Tebas has claimed the reports are accurate, despite the club having yet to confirm it.
A statement released by Barcelona in July claimed that the club had agreed a new contract with Messi until 2021, but an apparent delay in the Argentinian putting pen to paper on that deal, and the fact that his current contract expires at the end of this season, has reportedly drawn interest among a number of European clubs.
"The contracts are official when they're signed, not when they say they're signed".
'The idea is for Leo, who has been here since he was little, to stay here for life because he is an icon, ' said Grau.
"After he finishes playing we want him to remain linked to the club".
The 30-year-old spoke last week of his desire to return to his boyhood club Newell's Old Boys at some point in his career.
"The desire is always playing for Newell's, it is what I dreamed as a kid", he said.
"I can not say I'm going back because I do not know where I'm going to be".