So did his runner - up finish in the 2014 Masters when he led by two shots with 11 holes to play and ended up second to Bubba Watson .
Spieth said it was n't just losing in Houston that drove him .
So did Spieth 's runner - up finish in the 2014 Masters when he led by two shots with 11 holes to play and ended up second to Bubba Watson .
Spieth said it was n't just losing in Houston that drove him .