Major League Baseball

Major League Baseball, explained

Major League Baseball is America’s oldest professional sports league. Alongside triumphs, the league has faced scandals, including drug abuse and steroid use, shaping its path over the decades. Today, MLB embraces new rules, international talent, and a growing connection to legalized sports betting.

The top 100 players in baseball history

More than 20,000 players have played in Major League Baseball since the 1870s, many passing in and out of the memory of even die-hard fans. While necessarily subjective, these rankings based on votes from baseball writers ranks those whose greatness left a lasting impression. From Barry Larkin (No. 100) to Babe Ruth (No. 1), explore the top 100 baseball players over more than a century.

The 2026 season will be the first to allow challenges on balls and strikes

The Automated Ball Strike (ABS) technology—first tested in the minor leagues and in MLB's 2025 spring training and All-Star Game—defines the strike zone rather than relying on individual umpires' interpretations of it. Rather than allowing ABS to determine every ball or strike, though, each team will now have a limited number of in-game challenges to umpires' calls, which will be settled by ABS.

Inside MLB's robo-umping experiment

Human umpires call roughly 94% of pitches right overall, but performance reduces on borderline pitches in high-leverage moments, the calls that shape game outcomes most. A professor and historian analyze early experiments with the full "robot ump" system that helped shape MLB's decision to implement a compromise "challenge" system.

Instant replay was unofficially introduced in baseball in 1999

During a game between the St. Louis Cardinals and the Florida Marlins, home plate umpire Frank Pulli used video replay to determine whether a hit was a home run or a double. The action was controversial and Pulli claimed he didn't want it to become the norm for the league, though it did: In 2008, video replay was officially used to judge home run calls and has since become a regular part of the game.

A deep dive into the man behind ballpark nachos

Nachos were invented in Mexico in 1943, but "ballpark nachos" (featuring liquid cheese and pickled jalapenos) were invented in 1976 for the Texas Rangers, then a relatively new franchise. This Texas Monthly piece digs into the history of Frank Libreto, who realized classic nachos could be a cost-efficient concession with just a few small tweaks.

How fantasy baseball fights the loneliness epidemic

Experts believe the erosion of traditional community organizations has led to a loneliness epidemic. This deep dive explores how fantasy baseball has filled the gap for some men, providing a stand-in social network.

A guide to the best baseball books

If you're really all-in on the game, then you might want to dig into one of these classics, like Michael Lewis' "Moneyball," about the analytics that changed the sport, or Bob Uecker's autobiography, "Catcher in the Wry."

Fenway Park is the oldest professional baseball stadium in use

The legendary park was built in 1912 and is considered hallowed ground for baseball fans, along with iconic venues like Yankee Stadium in the Bronx and Wrigley Field in Chicago.

MLB teams can travel with roughly 12,000 pounds of gear and luggage

Each of the league's 30 teams has travel directors facilitating intricate logistics to move players and luggage to the next city, often after a game and the night before another game day. This video breaks down the wild planning required.