The oldest championship in golf always brings out something new. The British Open returns to Royal Portrush for the third time. The weather has been changing every day.

Open Championship is less than 24 hours from teeing off. Here is a look at past winners and how to watch this year's tournament.

If two or more players are tied through 72 holes of regulation, they will compete over three playoff holes with the scores being added up. If there is still a tie between at least two players, sudden death will be used.

Don't miss the Barracuda Championship's unique Modified Stableford format that rewards aggressive play. An opposite field event you'll want to check out.

Here's a capsule look at key anniversaries for the British Open this year. This is golf's oldest championship, so it dates back to the 19th century.

Australian hope Lucas Herbert nominates the courses in Australia that give a similar British Open experience as at Royal Portrush.