Negro League Seattle Steelheads a brief but essential part of the city's rich baseball history

Wayback Machine: A legacy of black baseball - Sportspress Northwest

Mariners' City Connect uniforms capture essence of future nostalgia - The Athletic

Featured Stories - Men's Senior Baseball league

Wayback Machine: A legacy of black baseball - Sportspress Northwest

Turning Point 12: From Cranks to Fans: Seattle's Long Love Affair with Baseball

Mariners unveil City Connect uniforms with nods to Seattle's rich tradition of baseball

MLB x Negro League Baseball (Homestead Grays x Pirates 7/24) - Concepts - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums

Memorabilia, Steelheads Alley

Gread McKinnis – Society for American Baseball Research

The story of baseball's forgotten Willie Mays, a pro player in SF — but never for the Giants

The Legend of Bruce Petway and Nashville's Negro Baseball Leagues - Nashville Lifestyles

Mariners unveil City Connect uniforms with nods to Seattle's rich tradition of baseball

CityStream: Steelheads Alley resurrects Seattle's baseball glory & history, baseball, pub