England’s Andrew Johnston, known as “beef”, hits an approach shot on the first hole.

Keegan Bradley heads to the fairway.

Bradley tees off with a fairway wood.

Jimmy Walker, Keegan Bradley and Luke Donald, all household names on the PGA Tour, were paired together.

Defending Valero Texas Open champion Charley Hoffman watches his ball after he hits it from the bunker. (Part 1)

Hoffman watches his bunker shot. (Part 2)

Former world No. 1 Luke Donald hits his shot from the fairway.

Walker waits to hit a shot.

Palmer and Si Woo Kim walk to their shots.

2015 Valero Texas Open champion Jimmy Walker shot a two-under, 70 on Thursday.

Keegan Bradley showcases his Jordan golf shoes.

Walker acknowledges the crowd after hitting his bunker shot to within a foot of the hole.

2007 Masters winner Zach Johnson lines up his putt.

Donald lips in a putt.

Palmer tees off on the 14th hole.

PGA Tour veteran Ken Duke waves to the crowd after a birdie. Duke is tied for sixth after shooting four-under for his round.

Palmer chips onto the 12th green. 

Donald, Bradley and Walker shake hands after the round.

Former Florida Gator Billy Horschel watches his shot on the par-3, 16th.

Palmer hits his shot on the par-3, 16th. He went on to make bogey. (Part 1)

Palmer shows that he is not happy with his shot as it heads right of the green.

Palmer reacts as it lands in the bunker.

Palmer reads the green.

Kim hits his shot out of the bunker after it was embedded deep in the sand.

Palmer tees off on 15. He went on to make par.

Palmer chips on.

Horschel hits his shot onto the 14th green.

Horschel hits his tee shot.

Palmer smashes his tee shot.

Horschel hits his shot on the par-3, 13th. Horschel went on to shoot a one-over, 73.

Palmer lines up a putt.

Palmer hits his second shot on 11.

Johnson hits his second shot out of the fairway. Johnson finished with a 74 and is tied for 118th.

Walker watches his second shot fly towards the pin.