Related Clues:
- Urban rollers
- Ernie of the PGA, to whom this puzzle could be dedicated
- Logical tips?
- 2011 World Golf Hall of Fame inductee
- Chi-town transports
- Trains on supports
- Some Chicago trains
- Golf's Big Easy
- Chicago commuter carriers
- One of only three golfers who briefly kept Tiger Woods out of the World #1 spot between 1/11/1998 and 10/30/2010
- Some city lines
- South African links man
- Pillow's center
- Trains up above
- Angular distances above the horizon