Emiliano Grillo played a fantastic set of rounds at the PGA championship .
Emiliano Grillo being paired with world number one Jason Day may have helped him with by getting to draft off some of Day 's birdie momentum .
Emiliano Grillo played a fantastic set of rounds at the PGA championship and being paired with world number one Jason Day may have helped him with by getting to draft off some of Day 's birdie momentum .