In MLB through the 2009 season, 2 players have done that:
1) Carlos Baerga, Cleveland Indians - In the 7th inning of the game played April 8, 1993 against the New York Yankees he hit a home run, righthanded, off of Steve Howe and a home run, lefthanded, off of Steve Farr.
2) Mark Bellhorn, Chicago Cubs - In the 4th inning of the game played August 29, 2002 against the Milwaukee Brewers he hit a home run, righthanded, off of Andrew Lorraine and a home run, lefthanded, off of Jose Cabrera.
For right handed people they do catch with their left and throw with their right. For left handed people, they catch with their right and throw with their left. Both players have to potential to bat from either side of the plate.
The game of polo requires that all players play right handed. Left handed play was discontinued in the mid 1970s.
seven over twenty one which reduces to one over three or one third
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There are only 2 players on the red wings who shoot right handed. Patrick Eaves and Brian Rafalski.
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Yes. He's coach forced him to go left handed in tennis, when he was 8 y.o. so that he has an advantage against right handed players.
64%
Yes, they are widely available, but not in as many models or sizes. Baseball players in MLB tend to be about 85% right-handed.
Lefties have an advantage on the sports fields; because the majority of the population is right handed, lefties can often take players by surprise. This is particuarly evident in:Cricket/Rounders/Baseball: If a batter is left handed, fielders will have to orientate themselves otherwise the ball will be hit in the area where there are no fielders to get it quickly enough.Football: About 60% of lefties are left-footed, which is very useful for getting the ball round players who will go for the right hand side.Basketball: In basketball, left handed players can efficiently bounce the ball to the left of the unsuspecting right handed players. This is very useful; a lot of players are "out-handed" in the end!
Although the stick is designed for right-handed people, there are some skills which left-handers find easier. The game was originally played this way because more of the players were right-handed, and it has continued as such because having combination of left- and right-handed sticks is a serious safety issue; this (danger) is the first thing FIH tries to avoid, and so the rules require a stick made the right-handed way.