Rory McIlroy took a few souvenirs with him from Augusta National after his Masters win. The Masters Shop had 1,100 pin flags left in stock at the end of the tournament, and McIlroy said he took every last one of them with the intention to sign his name inside the logo -- a tradition reserved for Masters champions.

McIlroy completed his career grand slam with an elusive Masters title in April, defeating Justin Rose on the first hole of a playoff to secure the green jacket.

"It's been a lot," McIlroy said ahead of the Tour Championship of signing countless flags. "But I'll never get sick of signing them. I've waited 17 years to sign that flag in the middle, and I will never complain about doing it."

The amount of time McIlroy spends signing the 1,100 flags he brought with him from Aug

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