The 63-year-old former head of the now-shuttered Nike Oregon Project was suspended in 2019 for a catalogue of drugs violations.
Del Nero will turn 97 before the ban expires in 2038, though he reportedly still has influence on running the Brazilian Football Confederation he once led.
LaLiga’s appeal against FIFA over extension of World Cup qualifiers rejected by Court of Arbitration for Sport
FIFA extended the international window next month to allow South American teams to play a third World Cup qualifier less than two days before domestic leagues are due to resume in Europe.
The global body for water sports issued a statement to say that the appeal has been rejected by CAS.
High jumper Danil Lysenko handed retroactive six-year ban for attempting to deceive anti-doping authorities
The Court of Arbitration for Sport ruled Lysenko tampered with the anti-doping process and failed to inform anti-doping bodies of his whereabouts.
Sun, who was banned for three months in 2014 for a separate doping offence, has always protested his innocence in the murky events of September 2018.
CAS to decide on Sung Yang's doping retrial by 'end of June' as Chinese swimmer’s Tokyo hopes hang by a thread
"The date of the decision is not yet known, but it will be by the end of June at the latest," a spokesperson for the Court of Arbitration for Sport (CAS) told AFP.
The new hearing will take place by video link and is scheduled to last from Tuesday to Thursday. CAS says a decision will be announced "at a later date".
The International Judo Federation imposed a four-year ban after the Court of Arbitration for Sport (CAS) ordered a disciplinary review last month which said a previous indefinite ban was not allowed.
PCB rejects Umar Akmal's claim of financial struggles, tells suspended Pakistan batsman to pay fine in full
Paying the fine would pave the way for him to return to cricket after serving a ban for breaching clauses of the Anti-Corruption code.
Even with the reduced sentence, the 25-year-old American, who would have been favourite to take gold at that distance at the upcoming Tokyo Olympics, will not be able to participate in the Games.
Kudela is set to miss the rest of Slavia’s Europa League campaign and the Czech Republic’s games at the European Championship.
Russian Olympic champions Natalya Antyukh, Andrey Silnov receive four-year bans for doping, says CAS
Antyukh and Silnov were both charged last year with anti-doping violations stemming from the report commissioned by the World Anti-Doping Agency that alleged a system of state-sponsored doping had existed in Russia.
The Chinese swimmer was accused of destroying a blood vial with a hammer when collectors visited his home in September 2018.
Naser ran the fastest women’s 400 since 1985 to win the world title 18 months ago in Doha, Qatar, while she was under investigation.
A Court of Arbitration for Sport ruling in December banned Russia’s team name, flag and national anthem from the Tokyo Olympics this year and the 2022 Winter Games in Beijing.
Australian Open 2021: Dayana Yastremska pulls out of tournament after failed appeal against doping suspension
The decision means that Yastremska, who is ranked 29 in the world, would not be able to play in the Australian Open in Melbourne, which is due to start on 8 February.
The Court of Arbitration for Sport last month ruled that Russia's name, flag and anthem would be barred from the Olympics after backing the World Anti-Doping Agency's finding that doping data was manipulated.
The global anti-doping body had accused Russia of planting fake evidence and of deleting files linked to positive doping tests that could have helped identify drug cheats.
Year in Review 2020, Biggest Sports Stories: Caster Semenya loses landmark case against World Athletics
Semenya lost her landmark case at the Federal Supreme Court of Switzerland against CAS' upholding of World Athletics' new set of rules restricting the testosterone levels in female athletes.