Jack Nicklaus has 19 runner-up finishes - 10 more than Arnold Palmer Full list here: http://www.intotherough.co.uk/golf-features/golfers-with-most-runner-up-finishes-at-major-championships
Jack Nicklaus with 18, then Tiger Woods with 14.
Jack Nicklaus currently holds the most major golf titles at 18, he won his first in 1962 and his last in 1986 but he is now retired. However the active golfer with the most majors is Tiger Woods, now on 14.
A major Golf Championship is simply a very prestigious golf Tournament which has been classed as a major. On the male tour there are 4, they are The US Masters, US Open, The Open and USPGA Championship. They are known for their tough conditions and are designed to be the truest test of golf. Nowadays the amount of major championships a player has won seems to be the gauge against which their career is measured. Currently Jack Nicklaus has won the most wit 18 and Tiger Woods is chasing him down with 14.
Jack Nicklaus, he has won 18 major golf tournaments.