What are the 9 baseball positions?

By: Caitlin Uttley

Javier Valentin of the Cincinnati Reds looks to place the tag on Morgan Ensberg of the Houston Astros in 2005. What are the nine positions in baseball? See more sports pictures.
Andy Lyons/Getty Images

Baseball is a game of numbers. Batting averages, runs batted in, strike outs...baseball fans love their stats. But another number important to baseball is nine: the number of defensive positions on the field. Let's take a look at what these nine players do, and why each one is so important to the game.

Infield Players


The pitcher starts the ball moving in every play. He stands on the pitching mound and throws the ball to the batter so the batter can attempt to hit it. Pitching requires a lot of skill because even though the pitcher is throwing the ball to the batter, he doesn't want the batter to be able to hit it. Whether or not the batter hits the ball determines whether or not the play continues. Once the ball is hit, the pitcher also tries to retrieve the ball to get the runner out.

The catcher crouches behind the batter, who is on home plate. The catcher is in many ways a team leader and he keeps track of everything that's happening on the field. He sends signals to the pitcher about what pitch to throw and communicates plays to the team. The catcher also catches the ball if the batter misses it. Furthermore, he's the last line of defense when a runner is headed toward home plate because he's there to catch the ball and tag the runner out at home.

The first baseman sees a lot of action in a game because every time a ball is hit, a runner is headed his way. The first baseman is responsible for "fielding" or retrieving balls that are hit toward first base, as well as catching balls thrown to first base by other players. The first baseman often works with the pitcher to keep the first base runner from stealing second base.

Like the first baseman, the second baseman fields balls at second base. He uses the ball to get runners out by either tagging the runner, touching second base or throwing the ball to someone else who can get a runner out.

The third baseman serves the same basic function as first and second basemen by defending third base from runners. Most batters are right handed and hit in the direction of third base, so the third baseman has to have a good arm in order to throw the ball all the way to first base.

The shortstop stands between second and third base and plays an important role. When the ball is hit to the left side of the field, the shortstop can retrieve the ball while the second baseman covers second base. When the ball is hit to the right side of the field, the shortstop covers second base while the second baseman retrieves the ball. Like the third baseman, the shortstop fields a lot of balls because most batters are right handed and hit toward the left side of the field.

Outfield Players

There are three outfield positions in baseball -- the left fielder, the center fielder, and the right fielder. These are the guys who stand in the far grassy area outside of the sandy baseball diamond. All outfielders serve the same basic function: they catch long fly balls. If they catch the ball before it hits the ground, the batter is out. If they don't catch the ball in the air, they pick it up it and throw it to the infield where the infielders try to tag runners out. They also act as backups to the infielders, running in to save the day if the infielders don't get to the ball in time. Because of the shape of a baseball field, the center fielder covers the largest amount of territory, so he has to be pretty fast.

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Author's Note

I've spent many hours watching baseball -- usually with a hot dog in one hand and a cold beverage in the other. But in all that time I never really considered all of the responsibilities each player has. I mean, who knew there were really two players covering second base (the second baseman and the shortstop) or that the guy in the mask crouching behind home plate was the one in charge? Each player has a unique skill set and is absolutely essential. That's why I was astounded to learn about MLB player Buster Posey, who once played all nine field positions in a single game while at Florida State in 2008. Florida won the game 10-0, no doubt thanks to the grand slam Posey hit (because he was an awesome batter, too).

Related Articles


  • Carter, Andrew. "Florida State's Buster Posey plays all 9 positions in a single game." Orlando Sentinel, May 13, 2008. (Aug. 9, 2012). http://articles.orlandosentinel.com/2008-05-13/sports/fsubase13_1_buster-posey-batting-average-tallahassee
  • MLB. "Baseball Basics: On the Field." (Aug. 4, 2012). http://mlb.mlb.com/mlb/official_info/baseball_basics/on_the_field.jsp
  • Moms Team. "What are the different positions in baseball?" (Aug. 4, 2012). http://www.momsteam.com/sports/baseball/the-sport/what-are-the-different-positions-in-baseball
  • Sports Spectator. "Fan's Guide to Baseball, Page 4 of 4: Field Diagram & Positions." (Aug. 4, 2012). http://www.sportspectator.com/fancentral/baseball/guide03.html


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