Jordan Spieth is the youngest first-round leader in Masters history . Spieth set a new 36-hole record with his 14-under total . Dustin Johnson became the first man ever to hit one eagles in three round .
Jordan Spieth is the youngest first-round leader in Masters history . Spieth set a new 36-hole record with his 14-under total . Dustin Johnson became the first man ever to hit three eagles in one round .