On to the 447-yard par-4 18th, typically the toughest hole at TPC Sawgrass.

Tough day for the caddies.

Only 137 terrifying yards away.

There's also a little bit of water at the par-3 17th.

Lay-up or go for it? About half of the 16th green is guarded by water.

Time for a quick tour of TPC Sawgrass' closing three-hole stretch.

Close-up of Bud's Scotty Cameron Newport 2.

Tee shot at the par-5 16th, a 507-yard risk-reward challenge.

Titleist Brand Ambassador Chris Kirk takes a crack at the par-3 17th.

In 2011, the hole played to a 4.313 stroke average, yielding just 45 birdies.