King Power got a bargain by sponsoring Premier League winners Leicester City. Michael Regan/Getty Images It's no secret that top-tier football is now a business as much as a sport these days, and few businesses are as big as the Premier League — the most watched football division in the world.

With that kind of viewership, annual costs to get a company logo on the players' shirts range from £1 million to £53 million.

Sports website Total Sportek has done a countdown of the most lucrative shirt sponsorships in the Premier League for the 2015/16 season.

What's notable is how many betting companies are visible: seven of the top 20 sponsors are gambling websites.

The betting trend trails off at the high-end of the rankings though, as airlines and car makers get in on the game.

Keep scrolling to see the biggest shirt sponsorship deals in the Premier League: