Baseball
MLB rules, records and players.
What Is a Perfect Game in Baseball?
A perfect game is when a pitcher retires all 27 batters in a row with no runner ever reaching base. Here is how it differs from a no-hitter and why it is so rare.
What Is a Balk in Baseball? Rules, Types, and Penalty
A balk is an illegal motion by the pitcher with runners on base. The penalty is that every baserunner advances one base. Here are the common types and why they exist.
What Is ERA in Baseball? Meaning and How to Calculate It
ERA is earned run average: the earned runs a pitcher allows per nine innings. Here is the formula, what counts as earned, and how to read the number.
The Infield Fly Rule in Baseball, Explained Simply
The infield fly rule calls the batter out on an easy pop-up with runners on first and second (or bases loaded) and fewer than two outs. Here is why it exists.
What Is a Walk-Off in Baseball?
A walk-off is when the home team scores the winning run in the bottom of the final inning, ending the game instantly. Here is how it works and the types.
Best Utility Players in MLB: Who Plays Everywhere
The best utility players in MLB are versatile athletes who can fill multiple positions at a high level, providing managers flexibility and roster depth. Players like Tommy Edman, Trea Turner, and others have redefined what it means to be a utility contributor.
Greatest Female Baseball Players in History
The greatest female baseball players include pioneers from the All-American Girls Professional Baseball League, modern standouts like Marti Sementelli, and international stars who have proven women belong in the sport at the highest levels.
Ideal Attack Angle in Baseball: What It Is and Why It Matters
The ideal attack angle in baseball is generally considered to be between 10 and 15 degrees upward through the hitting zone — matching the downward plane of a pitcher's pitch to maximize contact and elevate the ball for extra-base hits.
Greatest Baseball Players of All Time: The Definitive List
The greatest baseball players of all time include legends like Babe Ruth, Willie Mays, Hank Aaron, and Ted Williams — players whose impact on the game transcended statistics and defined entire eras of baseball.
Best MLB Pinch Hitters of All Time
The best MLB pinch hitters of all time include Lenny Harris, the career pinch-hit leader with 212, and Matt Stairs, who owns the record for pinch-hit home runs with 23.