Baseball Study Guide: Learn MLB Rules, Outs and History with 77 Flashcards
Learn baseball rules fast: strikes, balls, force outs, tag ups, balks and MLB history from Cartwright to Bonds, with real cards from Flip It deck DX3110.

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Baseball looks slow until you try to explain it: three outs, nine innings, four balls, three strikes, and a rulebook full of exceptions. The Flip It deck Baseball: MLB Rules & Players (code DX3110, 77 cards) packs the essentials into two clear blocks. Cards 1-44 are the rules and tactics; cards 45-77 are a history timeline from a 1744 pocket-book to the World Baseball Classic. Treat them as two separate study sessions.
Study this deck: Baseball: MLB Rules & Players
1 / 10What is baseball?
Tap the card for the answer · swipe right if you knew it, left if not
Ten cards that carry the game
| Front | Back |
|---|---|
| How many outs before teams switch? | Three outs |
| What is the strike zone? | Above home plate, from the midpoint between shoulders and belt down to the hollow of the knee |
| What happens with four balls? | Base on balls (walk): free advance to first |
| What is a force out? | A fielder with the ball reaches the base before the forced runner |
| What does tag up mean? | After a caught fly ball, runners must retouch their base before advancing |
| What is a sacrifice fly? | Runner on third, fewer than two outs: a deep fly ball lets him tag up and score |
| What is a balk? | An illegal pitcher action; every runner advances one base |
| Who broke the color barrier? | Jackie Robinson, Brooklyn Dodgers, 1947 |
| Single-season home run record? | Barry Bonds, 73 in 2001 |
| What is pesäpallo? | A Finnish variation invented by Lauri Pihkala in the 1920s |
What the deck covers
Innings, runs, extra innings, the pitch clock, ball and bat dimensions, the nine fielding positions, strike vs ball, strikeout, walk, single, double, triple, home run, grand slam, stolen base, tag out, force out, double play, triple play, flyout, batting order, designated hitter, the 26-man roster, infield vs outfield, fastball, changeup, curveball, slider, pickoff, balk, sacrifice bunt, squeeze play, hit and run. History: the Knickerbocker Rules (Alexander Cartwright, 1845), Beachville 1838, Hoboken 1846, the National League (1876), the 1903 World Series, the Black Sox Scandal, Commissioner Landis, the Negro National League, the dead-ball era, Babe Ruth, Branch Rickey's farm system, Minnie Miñoso, free agency (1975), interleague play (1997), Cuba, the Dominican Republic and Japan.
Study tips specific to this deck
Group the outs, not the cards. Tag out, force out, flyout, double play and triple play are scattered across ten cards. Pull them into one mental table, how was the out recorded?, and add tag up and the sacrifice fly as its consequences. Once you can explain why a force out needs no tag, most of the rules block falls into place.
Update three dated backs. Card 51 says the American League was established in 1893; it was the minor Western League then, renamed the American League in 1900 and recognized as a major league in 1901, so edit the card to 1901. Card 64 still treats the designated hitter as an AL/NL distinction, but the universal DH has been in place since 2022. Card 73 should add that baseball returns to the Olympics at Los Angeles 2028. Note too that the deck's title promises players, yet only a handful appear (Ruth, Robinson, Bonds, Aaron, Carrasquel, Miñoso), so add your own team's legends as extra cards.
Keep going
Pair this deck with our American football study guide: both split rules from league history, and comparing downs with outs sharpens both. Find DX3110 in the Flip It library at flip-it.app.
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