FORT THOMAS, Ky. — It's his first swing of the day. So Luke Muller isn't too impressed. But he does smile.

“Not bad,” Muller said. "I think I'm in the fairway."

On the green, he makes a birdie. The recent Northern Kentucky University grad is trying to make it as a professional golfer. He knows how tough that is. It's why he's moving to Florida in December to play year-round.

“Golf can consume you,” Muller said. “You have to find a way to overcome that and be mentally tough — because if you’re not, you’re falling behind in a lot of areas of the game.”

And for Muller, mental toughness is not just a sports cliche.

This childhood cancer survivor is chasing his golf dreams while inspiring others

At 4 years old, Muller was diagnosed with a rare form of non-Hodgkin lymphoma . Family frien

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