Winning a Major is a dream for any golfer, but only very few have won all four in the men's game, The Masters, PGA Championship, US Open and The Open.
There are actually two types of Grand Slam. The "easiest" to attain is the career Grand Slam. That's defined as winning all four Majors at least once during a player's career. Even rarer is the Grand Slam, which is when a player claims all four Majors in the calendar year.
