Golf legend Arnold Palmer has died in Pittsburgh, Pennsylvania, at the age of 87.

He was viewed as one of the greatest players in golf’s history.

According to the Pittsburgh Post-Gazette, Arnold Palmer died at the UPMC Presbyterian Hospital in Pittsburgh, where he was undergoing heart tests.

The United States Golf Association also confirmed Arnold Palmer’s death in a tweet calling him “golf’s greatest ambassador”.

During a long career Arnold Palmer won more than 90 tournaments worldwide, including seven majors.

Image source Flickr

Arnold Palmer attracted thousands of diehard fans known as “Arnie’s Army” and helped to promote the game into the television age.

“Today marks the passing of an era,” said Alastair Johnston, CEO of Arnold Palmer Enterprises.

“Arnold Palmer’s influence, profile and achievements spread far beyond the game of golf. He was an iconic American who treated people with respect and warmth, and built a unique legacy through his ability to engage with fans.”

Tributes to the sporting legend flooded in from the world of golf.

President Barack Obama tweeted a picture of himself with Arnold Palmer at the White House, adding: “Here’s to The King who was as extraordinary on the links as he was generous to others. Thanks for the memories, Arnold.”

Arnold Palmer was born in Latrobe, Pennsylvania, in 1929, the son of a groundskeeper at the local country club who later became the professional at the golf club there.

He was one of golf’s most dominant players in the late 1950s and early 1960s, winning seven major titles over seven seasons.

Arnold Palmer also notched up 62 PGA Tour wins.