Baseball Rules for Beginners

Innings, strikes, and the infield fly rule — learn (or prove you know) the fundamentals of America's pastime.

8 questions · beginner difficulty · free sample below, full quiz free with a SquizPlay account.

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Question 1: How many innings are in a standard Major League Baseball game?

  • 7
  • 8
  • 9
  • 10

Answer: 9

Answer explained: A regulation MLB game lasts 9 innings, with extra innings played to break ties. Each inning has a top half and a bottom half.

Source: Official Baseball Rules, Rule 7.01; MLB.com glossary.

Question 2: How many strikes make a strikeout?

  • 2
  • 3
  • 4
  • 5

Answer: 3

Answer explained: Three strikes retire the batter — a strikeout. Four balls, by contrast, award the batter first base on a walk.

Source: Official Baseball Rules, Rule 5.09; MLB.com glossary.

Question 3: How many players from one team are on the field while playing defense?

  • 8
  • 9
  • 10
  • 11

Answer: 9

Answer explained: Nine defenders take the field: pitcher, catcher, four infielders, and three outfielders.

Source: Official Baseball Rules, Rule 5.02.

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