PORTRUSH, Northern Ireland — The crowds following Rory McIlroy for three days at Royal Portrush have been enormous, a reminder of the expectations. On banners and flags and buntings of grandstands there are images of the claret jug, a reminder of what's at stake at the British Open.

The 153rd Open Championship commences Thursday at Royal Portrush in Northern Ireland where the Claret Jug will be handed to

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.

Scheffler may be indifferent to obtaining another accolade, but there appears to be no stopping his top-notch play

From how to watch, tee times and weather forecast to betting favorites as American Xander Schauffele defends his title at Royal Portrush in Northern Ireland.

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.

Golf's oldest Major Championship returns to Northern Ireland and Royal Portrush, packed with plenty of storylines. We break down the key things you need to know about The 153rd Open before the first tee shot.