- Macho Row
- Magic Moments Yankees
- Magic Time
- Major League Baseball : 2019
- Major League Baseball A Mile High: The First Quarter Century of the Colorado Rockies
- Major League Baseball IQ: The Ultimate Test of True Fandom
- Making My Pitch
- Man With A Racket
- Management by Baseball
- Managing Little League
- Mariano Rivera
- Marietta College Baseball
- Maris & Mantle
- Mark McGwire
- Marvin Miller, Baseball Revolutionary
- Masanori Murakami Japanese Pitching Phenom
- Mashi
- Mat Memories
- Matt Kemp: True Blue Baseball Star
- Matty: An American Hero
- Maybe I'll Pitch Forever
- Maybe Next Year
- Me dicen Pudge
- Memorabilia
- Memories from the Microphone
- Memories of Yankee Stadium
- Mentally Strong
- MENTALMENTE FUERTE
- Met-rospectives: A Collection of the Greatest Games in New York Mets History
- Mets Triviology
- Mexican American Baseball in East Los Angeles
- Mexican American Baseball in El Paso
- Mexican American Baseball in Houston and Southeast Texas
- Mexican American Baseball in Los Angeles
- Mexican American Baseball in Orange County
- Mexican American Baseball in South Texas
- Mexican American Baseball in the Alamo Region
- Mexican American Baseball in the Central Coast
- Mexican American Baseball in the Inland Empire
- Mexican American Baseball in the Pomona Valley
- Mexican American Baseball in the San Fernando Valley
- Mexican American Baseball in Ventura County
- Miami Marlins 2019
- Miami Marlins 2020
- Miami Marlins 2021
- Mickey and Willie
- Midsummer Madness (Enhanced)
- Mike Epstein on Hitting
- Mike Hargrove and the Cleveland Indians
- Mike Torrez
- Mike Trout: Baseball Sensation
- Million Dollar Arm
- Milwaukee Braves
- Milwaukee Brewers 2019
- Milwaukee Brewers 2020
- Milwaukee Brewers 2021
- Minnesota Twins 2019
- Minnesota Twins 2020
- Minnesota Twins 2021
- Minor League Baseball
- Miracle at Fenway
- Miracle Ball
- Miracle Men
- Mission 27
- MLB Baseball Betting Tips ~ 2011
- Modern Coliseum
- Molina
- Moments of Joy and Heartbreak 66 Significant Episodes in the History of the Pittsburgh Pirates
- Montana Summer
- Mookie
- More Than a Season
- Mount Rushmore of the New York Mets
- Mover and Shaker
- Mr. Met
- Mr. Tiger
- Munson
- Mustaches and Mayhem: Charlie O's Three-Time Champions The Oakland Athletics: 1972-74
- My 1961
- My 30 Ballpark Summer
- My Cubs
- My First Phanatic Book
- My Giants
- My Life in Baseball
- My Own Particular Screwball
- My Story
- My Team
- My Turn At Bat