MLB Team Birthdays Home       Tally

In a group of 23 people the mathematical probability is more than half (.507) that two of them will have the same birthday. This is unintuitive but true! Let's test it out.

Major League Baseball teams have an active roster of 25 men. The probability is .569 that a team will have two players with the same birthday.

Angels

Astros

Feb 20 Justin Verlander, Brian McCann
Mar 30 Alex Bregman, Jake Marisnick

Athletics

Mar 29 Matt Olson, Chad Pinder
Dec 21 Kendall Graveman, Khris Davis

Blue Jays

Braves

Sep 12 Matt Wisler, Freddie Freeman

Brewers

Mar 26 Jett Bandy, Hernan Perez

Cardinals

Cubs

Diamondbacks

Dodgers

Giants

Indians

Oct 19 Josh Tomlin, Rajai Davis

Marlins

Apr 4 Odrisamer Despaigne, Cameron Maybin
Jun 18 Tomas Telis, J.B. Shuck

Mariners

Oct 22 Robinson Cano, Ichiro Suzuki

Mets

Mar 27 Matt Harvey, Brandon Nimmo

Nationals

Jul 20 Stephen Strasburg, Pedro Severino

Orioles

Padres

May 9 Luis Perdomo, Chase Headley
Jul 20 Tyler Webb, Matt Szczur

Phillies

Pirates

Rangers

Apr 4 Martin Perez, Renato Nunez

Rays

Dec 4 Blake Snell, Carlos Gomez
Dec 31 Alex Colome, Ryan Yarbrough

Red Sox

Aug 21 Christian Vazquez, J.D. Martinez

Reds

May 3 Homer Bailey, Amir Garrett
Jun 19 Austin Brice, Devin Mesoraco

Rockies

Royals

Tigers

Twins

Apr 19 Zach Duke, Joe Mauer
Dec 15 Trevor Hildenberger, Ryan Pressly

White Sox

May 27 Miguel Gonzalez, Yoan Moncada
Dec 9 Bruce Rondon, Adam Engel

Yankees

Of 30 teams 16 had 2 players with the same birthday.
16/30 is 0.53