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Baseball trivia

Two quizzes, 20 questions, two levels. Every answer is explained as you play.

  • 2 quizzes
  • 20 questions
  • 2 levels
  • Printable list
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Medium
Questions and answers — printable list
  1. How many innings are played in a standard regulation Major League Baseball game?9A regulation MLB game is nine innings, with extra innings played only if the score is tied, according to Britannica.
  2. In Major League Baseball, how many strikes result in a batter being called out?3A batter strikes out after three strikes, per Britannica's baseball rules summary.
  3. In Major League Baseball, how many balls must a pitcher throw outside the strike zone for a batter to earn a walk?4A batter who takes four pitches outside the strike zone is awarded first base on a walk, according to Britannica.
  4. In Major League Baseball, how many feet apart are the bases set to form the infield's square shape?90Regulation base paths are set 90 feet apart, forming the square infield, per Britannica.
  5. In what year did Jackie Robinson break Major League Baseball's color line by debuting for the Brooklyn Dodgers?1947Jackie Robinson debuted for the Brooklyn Dodgers on April 15, 1947, according to Britannica.
  6. As of the 2025 MLB season, which player holds the career home run record with 762?Barry BondsBarry Bonds holds the MLB career home run record with 762, passing Hank Aaron's mark in 2007, per Baseball-Reference.
  7. As of the 2025 MLB season, which ballpark, which opened in 1912, is the oldest one still in use?Fenway ParkFenway Park in Boston opened in 1912 and is the oldest ballpark currently in use in MLB, per Britannica.
  8. In what year was the first World Series played between the Boston Americans and the Pittsburgh Pirates?1903The first World Series was played in 1903, with Boston defeating Pittsburgh, according to Baseball-Reference.
  9. As of the 2025 season, how many teams make up Major League Baseball?30MLB consists of 30 teams split evenly between the American and National Leagues, per MLB.com.
  10. Who hit the first home run in MLB All-Star Game history at the inaugural game in 1933?Babe RuthBabe Ruth hit the first home run in All-Star Game history at the 1933 game in Chicago, per MLB.com and Baseball-Reference.
  11. As of the 2025 MLB season, which pitcher holds the career strikeout record with 5,714?Nolan RyanNolan Ryan struck out 5,714 batters over his 27-season career, the only pitcher ever to top 5,000, per Britannica.
  12. As of the 2025 MLB season, which player holds the career record for hits with 4,256?Pete RosePete Rose's 4,256 career hits remain the MLB record, along with his marks for games played and at-bats, per Baseball-Reference.
  13. As of the 2025 MLB season, which player holds the career record for stolen bases with 1,406?Rickey HendersonRickey Henderson broke Lou Brock's all-time stolen base record of 938 on May 1, 1991, and went on to finish his 25-season career with 1,406 steals, a record that still stands.
  14. Who became the first winner of the Cy Young Award when it was introduced in 1956?Don NewcombeBrooklyn's Don Newcombe was the inaugural Cy Young Award winner in 1956, created by Commissioner Ford Frick to honor pitcher Cy Young, per MLB.com.
  15. As of the 2025 MLB season, which pitcher holds the career saves record with 652?Mariano RiveraMariano Rivera compiled all 652 of his record career saves with the New York Yankees, per the National Baseball Hall of Fame.
  16. As of the 2025 MLB season, which player holds the career record for RBIs with 2,297?Hank AaronHank Aaron's 2,297 career RBIs remain the all-time MLB record, along with his marks in total bases, per the National Baseball Hall of Fame.
  17. Which player remains the last in MLB history to bat over .400 in a season, hitting .406 in 1941?Ted WilliamsTed Williams hit .406 in 1941, going 6-for-8 in a season-ending doubleheader rather than sit out, per Britannica.
  18. As of the 2025 MLB season, which player holds the MLB record for most consecutive games played, with 2,632?Cal Ripken Jr.Cal Ripken Jr. played 2,632 consecutive games from 1982 to 1998, surpassing Lou Gehrig's long-standing mark, per MLB.com.
  19. Which Detroit Tigers player won the AL Triple Crown in 2012, the first Triple Crown winner since 1967?Miguel CabreraMiguel Cabrera won the 2012 AL Triple Crown with a .330 average, 44 home runs, and 139 RBI, per Baseball-Reference.
  20. Who became Major League Baseball's first designated hitter on April 6, 1973?Ron BlombergRon Blomberg of the New York Yankees became MLB's first designated hitter when the AL adopted the DH rule in 1973, per MLB.com.

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About the baseball trivia quiz

Baseball trivia has a way of punishing the stories everyone assumes are true. The "Abner Doubleday invented it in 1839" line taught for generations traces back to a single secondhand letter examined by a 1905 commission, while the rules that actually shaped the modern game were written down in 1845 by the New York Knickerbocker Base Ball Club under Alexander J. Cartwright. Even the record books keep moving: in December 2020, MLB folded seven Negro Leagues that played from 1920 to 1948 into its official statistics, adding roughly 3,400 players to the sport's history.

Each of the 2 quizzes carries 20 questions split across three levels. Easy questions stick to things most fans already know — Jackie Robinson's 1947 debut, the 90-foot base paths, the designated hitter rule. Medium questions move into career numbers, from Hank Aaron's RBI total to Nolan Ryan's strikeout count. Hard questions dig into specifics like perfect-game dates, unassisted triple plays, and equipment rules that separate casual viewers from people who actually read the box score.

Frequently asked questions

Can you tell me 20 interesting facts about baseball?

There's no single official list of twenty, but one that keeps surprising people: Rickey Henderson's career total of 1,406 stolen bases is nearly 50 percent higher than the old record of 938 held by Lou Brock, and he reached the all-time lead on May 1, 1991. Facts like that are why career leaderboards make for such good trivia material.

What is rule 21 in baseball?

We don't have a sourced fact naming "Rule 21" specifically, but the principle behind it traces to the 1919 Black Sox scandal. Commissioner Kenesaw Mountain Landis, given near-unlimited authority in November 1920 to act in "the best interests of baseball," permanently banned all eight implicated Chicago White Sox players, including Shoeless Joe Jackson, even after their acquittal in court.

Who is the oldest MLB team?

There's no single ranking of team age among the facts gathered for this page, but the Cincinnati franchise traces its roots to the earliest days of professional baseball: the Cincinnati Red Stockings of 1869 are recognized as the first openly all-professional team, and they went undefeated through their first 81 games against amateur clubs.

What does 42 mean in baseball?

Number 42 belonged to Jackie Robinson, who broke Major League Baseball's color line with the Brooklyn Dodgers on April 15, 1947. On the 50th anniversary of that debut, April 15, 1997, Commissioner Bud Selig retired 42 across every major league team — the first time any number had been retired league-wide — though players already wearing it, like Mariano Rivera, were grandfathered in.

Sources for the answers above

No made-up answers

Every question here was written from a named source and reviewed before it went live.