Check out a list of pitchers that received Tommy John surgery, an elbow procedure that can repair a pitcher's deteriorated arm.

Tommy John surgery, which can save a pitcher's career, reconstructs a torn ligament in the inner side of the elbow that would otherwise stabilize the elbow during throws.

Experience a century of America's healthcare advances with this medical visualization, tracing a sampling of healthcare innovations from head to toe.

Sidearm pitchers—who throw the ball at an odd angle, sometimes very close to the ground—are a rarity in modern baseball, which often makes them more difficult for batters to hit.

A visual guide to identifying baseball's pitches, from common pitches like 'fastball' and the 'change up' to specialty types, like 'cutter' and 'slurve.'

How pitcher Pedro Martinez helped reverse the curse of the Red Sox

The team had not won a World Series for nearly 100 years—while their rivals, the Yankees, had won 26. The Dominican pitcher joined the club in 1997 and helped lead the team to reverse the curse.

Some say baseball's drug problem goes back to the late 1800s

At age 32, pitcher James “Pud” Galvin was feeling tired and decided to take "the Brown-Séquard elixir," which contained a testicular fluid from dogs and guinea pigs, believed to invigorate tired bodies. It might've worked: Galvin pitched a two-hit shutout the next day.

MLB pitchers were charged with benefiting from sports betting

In November 2025, two pitchers for the Cleveland Guardians were charged with coordinating with sports bettors to enrich themselves and others. In many instances, they shared the kinds of pitches they would throw at specific points in the game. Bettors then placed money on those actions.

Pickleball injuries were responsible for $350M in medical costs in 2023

Unsurprisingly, picklers over 50 account for 90% of the injuries, with the most common being sprains, strains, and fractures. Experts say a substantial pregame warm-up can prevent most injuries.

100 moments that shaped baseball history

Published in 2018 by baseball historian Jacob Kornhauser, this list examines the defining moments throughout more than a century of play on the field, from Pittsburgh Pirates pitcher Dock Ellis purportedly throwing a no-hitter while on acid to Jackie Robinson breaking the color barrier.

Check out a list of the top 100 players in baseball history, from Barry Larkin to Babe Ruth.

How Shohei Ohtani made baseball fun again

To rise to the level of Major League Baseball in recent decades, a player needs to become a specialist in at least one of the sport's many skills: hitting, pitching, throwing, running, fielding. For decades, this specialization has made a so-called...

Explore some of the best baseball books, including Michael Lewis' influential 'Moneyball' and Bob Uecker's autobiography 'Catcher in the Wry.'

Some athletes warm up with equipment from other sports

Baseball superstar Shohei Ohtani uses a cricket bat; his teammate Yoshinobu Yamamoto throws a javelin. Quarterback CJ Stroud shoots free throws. The reasons are partially physical (it's good to exercise different parts of your body) and partially mental (it's nice to take the pressure off with someone else's game).

An eephus is a high-arc pitch usually thrown by position players filling in for pitchers in blowout games.

See what analysis of one man's amputated leg, donated to The Bone Museum, tells us about his otherwise invisible pain.

Real surgical footage reveals what arthritis looks like up close

Arthritis is a painful condition of human joints that often results from the loss or breakdown of the soft cartilage padding that naturally exists between bones. This video shows footage from an actual knee surgery that beautifully demonstrates the difference between normal cartilage and the degenerative cartilage seen in osteoarthritis.

Five advancements in arthritis research

It is estimated that nearly 350 million people worldwide are currently suffering from arthritis. This resource explores five of the most promising recent advancements in arthritis research as scientists work towards improved treatments and continue the search for a cure.

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.

Toronto Blue Jays star pitcher Dylan Cease is a serious yoga practitioner, and even wears the number 84 as an homage to the number of poses in hatha yoga.

Limb regeneration research may lead to treatments for arthritis

For scientists pursuing the cure for arthritis, the holy grail of discoveries lies in how to regrow healthy cartilage inside human joints. While this feat has so far resisted our best scientific attempts, there are plenty of other human tissues—such as the liver and fingertips—that will successfully regenerate.

Little League sensation Danny Almonte was two years older than his competitors

The New York pitcher was a hotshot pitcher in the 2001 Little League World Series, catapulting his Bronx team to a third-place finish thanks to a no-hitter and a perfect game. Sports Illustrated eventually reported that Almonte was 14, not 12, and that his coach and father had knowingly misled Little League. They were both banned, though Almonte himself was cleared of all wrongdoing.

In 1970, Pittsburgh Pirates' pitcher Dock Ellis threw a no-hitter—a rare feat that was just the 174th in MLB history—while high on LSD.

Arthritis explained, with Dr. Nick Golinvaux

Arthritis, a condition affecting millions globally, is more than just joint pain—it’s a breakdown of cartilage that cushions bones, leading to stiffness, swelling, and discomfort. While often associated with aging, arthritis can affect people of all ages, especially after injuries. Though there’s no cure yet, treatments range from medication and physical therapy to surgical interventions like joint replacements.

The 2026 MLB season is the first to allow players to challenge umpires' calls on balls and strikes.

Ken Caminiti exposed steroid use around the league

In 2002, newly retired Ken Caminiti was the first to admit to using steroids as a player, citing how common PEDs were in the league, something that had long been rumored, especially after the single-season home run record was broken in 1998 by Mark McGwire.

Statcast, MLB's sophisticated real-time data analytics system, runs machine learning models in the 23-second gap between every pitch.

Fourteen ways to make baseball cool again

Baseball, while commonly known as America's pastime, gets a bit of a bad rap for being long, slow, and boring. Here are fourteen fun ideas to make the sport more interesting to combat dwindling attendance.

See images of medical cases of firework injuries shared on this 'Instagram for doctors.' (Warning: Graphic images.)

Listen to how bionic limbs are reshaping what it means to live as an amputee in this award-winning 2022 podcast series covering the stories of two amputees who struggled with shortcomings in prosthetic technology.

A history of the rare, chaotic moments when MLB batters charge the pitcher on the mound

They typically occur when a pitcher has slung a pitch a little too close to the batter—though the exact causes vary, from quick tempers to longstanding grudges. No definitive account of these infrequent but highly visible incidents has existed, so sportswriter Jon Bois compiled data on 264 such moments between 1950 and 2025. The resulting 23-minute video explores the rich narratives leading to these charged events.

Breaking down the knee's anatomy

The human knee is a remarkably complex structure carrying the full weight of the body throughout a person's life while allowing a number of complex twists, flexes, and extensions. It's also one of the body's biggest weaknesses—the location of chronic pain and replacement surgeries for millions of Americans.

An experimental bionic knee has been directly integrated into the user's muscle and bone—not an external socket—marking a significant prosthetic advancement.

Before 1920, during the Deadball Era, a single baseball was used throughout a Major League game, leading to a notoriously dirty style of play.

A sophisticated data analysis found that stadiums with roofs or in cities that regularly have sunny skies are the easiest for outfielders to play in.

In 1985, New York Mets star Keith Hernandez said 40% of his MLB peers used cocaine, highlighting an open secret about drug use in the league.

In 1939, baseball star Lou Gehrig delivered his 'Luckiest Man' speech after retiring due to a health condition

Gehrig's diagnosis of amyotrophic lateral sclerosis, a disease that now bears his name, forced him to retire early. Weeks later, he spoke with gratitude and stated, "For the past two weeks, you have been reading about a bad break. Yet today I consider myself the luckiest man on the face of the earth." Gehrig died at the age of 37, about two years later.

Visualizing a joint under attack from rheumatoid arthritis

A particularly difficult arthritis subtype is rheumatoid arthritis, a painful condition provoking a vicious cycle of joint inflammation, destruction, and dysfunction. It begins with a misfiring of the patient’s own immune system—for unknown reasons, it identifies joint and cartilage cells as foreign, initiating an attack to eliminate the supposed "invaders."