Jarrod Lyle in 2016. (Getty) Lyle often sported a yellow bucket hat, hence the ribbons. Rickie Fowler switched out of his proscribed blue shirt on Thursday to wear a yellow one to honor Lyle.

He has put up a courageous fight and he is surrounded by love,” she wrote. The yellow ribbons are a nod to the yellow bucket hats that Lyle often wore on the course when he was competing.