20 years ago, the baseball season paused to mourn - Chicago Sun-Times
September 11th News & Videos - ABC News
6 Inspirational Sights at the 9/11 Memorial and Museum – 911 Ground Zero
Ribbons on Caps as MLB Teams, Players Remember 9-11 – SportsLogos.Net News
Where's Trump on 9/11? Not at Ground Zero. - The New York Times
MLB teams to hold special 9/11 tributes
September 25, 2001: Yankees return to Yankee Stadium after 9/11 – Society for American Baseball Research
All MLB Teams Wearing Flag Patches for 9-11 Anniversary – SportsLogos.Net News
Local events pay tribute to 10th anniversary of 9/11 > Joint Base San Antonio > News
MLB commemorates 9/11 anniversary with ballpark ceremonies
Honoring the memory of the 11th day
List of NYC events honoring 9/11: Vigils, ceremonies, memorials, music, art