The phrase "a clean champion" is correct and usable in written English.
It can be used to describe a champion who has achieved their title without any cheating or unethical behavior, often in the context of sports or competitions.
Example: "After a rigorous season, she was finally recognized as a clean champion, having never failed a drug test."
Alternatives: "an honest champion" or "a fair champion".
The 63-year-old has painted himself as a clean-living champion of the rural masses.
Now, along with more than half-a-million people who have joined this global campaign, we are asking Facebook to be a clean energy champion.
Americans have returned a clean energy champion to the White House, but they didn't stop there.
Right now it's a tale of two agencies -- OPIC is a clean energy champion and Ex-Im is a basket case.
Further, Hickenlooper replaced an architect of the state's Renewable Energy Standard and a clean energy champion on the Public Utilities Commission with an anti-clean energy advocate who opposed Colorado's Renewable Energy Standard ballot initiative.
VIRGINIA: Former Gov. Tim Kaine (D), a clean energy champion, is up against former Sen. George Allen, who has a lifetime LCV score of 1percentt and has been named a member of LC Vs 2012 Dirty Dozen list.
IN TODAY'S RADIO REPORT: The final report from the National Oil Spill Commission on the BP Gulf Oil Disaster; Haiti, one year later; Yet another shutdown of BP's Alaska pipeline... PLUS: From a unique perspective above the Earth, a word about Rep. Gabrielle Giffords, a clean energy champion...
During the current heavyweight famine, it's the only huge payday out there -- the squeaky clean champion against the street thug.
Victory gave the British wheelchair racing champion a clean sweep of four gold medals after earlier winning the T54 800, 1500 and 5,000m titles.
Harper spent much of his time at Newcastle challenging Shay Given for the No1 spot, but played in the 1999 FA Cup final against Manchester United and also kept a clean sheet in a Champions League victory over Juventus in 2002.
