Michael Richard Weir, is a Canadian professional golfer. He currently plays on the PGA Tour Champions. He spent over 110 weeks in the top-10 of the Official World Golf Ranking between 2001 and 2005. He plays golf left-handed and is best known for winning the Masters Tournament in 2003, making him the only Canadian man to ever win a major championship.

The Masters Tournament is one of the four men's major golf championships in professional golf. Scheduled for the first full week in April, the Masters is the first major golf tournament of the year. Unlike the other major tournaments, the Masters is always held at the same location: Augusta National Golf Club, a private course in the city of Augusta, Georgia.