Jordan Spieth (right) fist bumps with caddie Michael Greller on the 11th hole Thursday at the Masters.
Jordan Spieth (right) fist bumps with caddie Michael Greller on the 11th hole Thursday at the Masters. Andrew Redington Getty Images
Jordan Spieth (right) fist bumps with caddie Michael Greller on the 11th hole Thursday at the Masters. Andrew Redington Getty Images