Corruption in the sports sector is linked to the political system where the entire government, from election to governance, is corrupt. This has affected the sports activities in most countries and even the premier league.
FIFA and other sport governing bodies are not left out in the corruption.
I think now that corruption has entered all sectors of government including sports, and of course this is what actually destroys the a country sporting achievements, and I think the impact of corruption has finally made the athletes who have been victims all this time.
I agree that corruption exists in almost anything and the corruption at the governmental level is the worst. But I am not sure how a corrupt government will influence a sportsperson because usually, the government corrupts things that aren't related to sports. Usually, the corruption that happens at the government level is - nepotism, extortion, and bringing.
Maybe the selection process can be corrupted for a sportsperson and it's hard for real talents to shine. But once you are selected and playing for the country there is nothing that can force you to rig or tank matches other than greed.