Philadelphia played an important role in the development of Black baseball

No U.S.-born Black players expected on World Series rosters

Why MLB Has Low Percentage of Black Baseball Players

Michael Lorenzen throws 14th no-hitter in Phillies franchise history - WHYY

Baseball Goes to War - Warfare History Network

Baseball and the Civil War: Forging America's National Pastime

Diversity study finds percentage of Black MLB players at another record low

Major League Baseball has a diversity problem, experts say. This year's World Series is proof

The history of black baseball in D.C. includes Frederick Douglass' sons, Josh Gibson and the fight for equality

How Youth Baseball Excludes Kids of Color - Global Sport Matters

Philadelphia played an important role in the development of Black baseball

Baseball Rights a Wrong by Adding Negro Leagues to Official Records - The New York Times

The Secret History Of Black Baseball Players In Japan : Code Switch : NPR