By
<strong>19</strong>– Players under par

<strong>7</strong>– European Tour Members under par
<strong>9</strong>– Nationalities in the top 20 following the third round
<strong>35</strong>– Players over par on the 12th, the second hardest hole on the course
<strong>11</strong>– the hardest hole on the course averaging 4.474 at the start of Amen Corner
<strong>2</strong>– the easiest hole of the first day with 40 birdies, 48 pars and only nine dropped shots
<strong>4 </strong>– scores under 70
<strong>68</strong>– The low round of the day shot by Bill Haas
<strong>4</strong>– Relatives of Bill Haas who have already played in the Masters (Great Uncle Bob Goalby, Dad Jay and Uncle Jerry and Uncle Dillard Pruitt (Mum's brother)
<strong>3</strong>– Eagles during round one, two on the 13th and one on the 15th
<strong>250</strong>– Birdies on day one
<strong>388</strong>- Bogeys on the opening day
<strong>16</strong>– The amount of shots between first and last place
<strong>305</strong>– yards for Dustin Johnson to top the long driving on day one
<strong>14</strong>– out of 14 fairways hit by Hideki Matsuyama
<strong>16</strong>– out of 18 greens achieved by Bubba Watson to lead the Greens in Regulation,
<strong>0</strong>– dropped shots from 2012 Champion Bubba Watson, the only player in the field not to drop a shot on day one.
<strong>76</strong>– best score from the six amateurs with the English pair of Matthew Fitzpatrick, Garrick Porteous and Australian Oliver Goss all shooting four over.