The best player you've never heard of - John Donaldson, Free
How Fernando Valenzuela could be in the Baseball Hall of Fame - Los Angeles Times
10 greatest Padres players of all time, ranked
Baseball Hall of Fame: Best player with every uniform number
Cardinals' best players not in the Hall of Fame
The NFL's best players by jersey number: Nos. 50-99 - Sports Illustrated
What the Yankees' uniform number crunch could cost MLB's managers and coaches - The Athletic
The best players to wear every jersey number in baseball history - The Athletic
Uniform number (Major League Baseball) - Wikipedia
Pedro Martinez beat all the odds in Hall of Fame career – New York Daily News