A 17-year old is the youngest to make the cut in a men's major.
The golfer was Tommy Jacobs. The tournament was the 1952 Masters. Jacobs was 17 years, 1 month, 22 days old when he made the cut.
Jacobs finished 60th that year, shooting 79-81-77-79 for a 28-over total of 316. But he went on to play in The Masters seven more times, although not again until 1959.
In fact, Jabocs finished second in the 1966 Masters.
Source: PGA Tour
