Savannah 's Brian Harman tied for fourth with an 8 - under 64 at Pebble Beach Golf Links .
Savannah 's Brian Harman is a 25 - year - old rookie on the PGA Tour .
Savannah 's Brian Harman , a 25 - year - old rookie on the PGA Tour , tied for fourth with an 8 - under 64 at Pebble Beach Golf Links .