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Baseball Basics: How the Game Works for First-Time Viewers

Baseball can look slow and confusing without knowing the underlying structure. These basics explain almost everything you'll see happen in a game.

A standard game is 9 innings, split into two halves

Each of the 9 innings has a "top half," where the visiting team bats, and a "bottom half," where the home team bats. Whichever team has scored more total runs after 9 innings wins.

Each half-inning ends after 3 outs

The team in the field needs to record 3 outs β€” through strikeouts, catching a batted ball before it hits the ground, tagging a base a runner is forced to reach, or tagging a runner directly β€” before the other team's turn at bat ends.

Batters face a count of balls and strikes

A pitch outside the strike zone that the batter doesn't swing at is a "ball." A swing-and-miss, a pitch in the strike zone not swung at, or (with fewer than two strikes) a foul ball counts as a "strike." Four balls sends the batter to first base as a "walk"; three strikes is a strikeout.

Runs are scored by circling all four bases

A batter becomes a base runner by reaching base safely, and scores a run for their team by successfully advancing around first, second, third, and finally touching home plate, typically aided by teammates' hits.

Not every hit is the same

A single, double, and triple describe how many bases a batter reaches on a hit. A home run β€” often by hitting the ball over the outfield fence β€” lets the batter, and any runners already on base, circle all the way around to score immediately.

The fielding team has 9 defensive positions

A pitcher and catcher form the "battery," with four infielders (first base, second base, third base, and shortstop) and three outfielders (left, center, and right field) covering the rest of the field, each with a specific defensive role.

Tied games continue into extra innings

If the score is tied after 9 innings, the game continues into extra innings until one team leads after a complete inning. MLB's regular-season extra-inning rule, made permanent in 2023, places a runner on second base to start each extra inning to help resolve tied games faster.

The designated hitter lets a team skip having the pitcher bat

Under the designated hitter (DH) rule, now used throughout Major League Baseball, a team can use a separate "DH" who bats in the pitcher's spot in the lineup instead of requiring the pitcher to hit.

Why baseball games don't have a fixed length

Because baseball is organized around innings and outs rather than a running clock, a game's actual length depends entirely on how quickly outs and runs happen, which is why one nine-inning game can finish in under two and a half hours while another runs well past three and a half.

The postseason raises the stakes considerably

Like many US pro sports, the MLB regular season β€” 162 games per team β€” is mainly about determining which teams qualify for the playoffs, which then proceed through a series of best-of-series matchups, rather than single elimination, culminating in the World Series.

Frequently Asked Questions

Why do fans react so strongly to a count like "3 and 2"?

A count like "3 and 2" β€” three balls, two strikes β€” is called a "full count" and means the next pitch will end the at-bat one way or another: a walk, a strikeout, a ball put in play, or a foul ball extending it, which is why it tends to draw extra attention.

What's the difference between a strikeout swinging and looking?

A "strikeout swinging" happens when the batter swings and misses on strike three. A "strikeout looking" happens when the batter doesn't swing at a pitch the umpire calls a strike, ending the at-bat without a swing at all.

Do all levels of baseball use the extra-innings runner rule?

The automatic runner on second base to start extra innings is a Major League Baseball regular-season rule, permanent since 2023. The MLB postseason and other levels of baseball, like college or Little League, may follow different extra-inning rules, so it's worth checking the specific league or event.

Why does the batting order matter so much?

Because each of the 9 players bats in a fixed, repeating order for the whole game, where a player is placed in the lineup affects how often they bat and in what situations, which is why teams put their best hitters in specific spots like the middle of the order.

Is baseball scored the same way at every level β€” MLB, college, Little League?

The core scoring concept (runs scored by circling the bases) is consistent, but specific rules like game length, the designated hitter, and extra-inning procedures can differ meaningfully between MLB, college, and youth levels.