PHOTOS: Yankees, Mets honor 20th anniversary of 9/11 with emotional ceremony at Citi Field
Yankees-Mets 9/11 ceremony to feature Joe Torre, Bobby Valentine, Mike Piazza; Giants, Jets to honor 20th anniversary of terrorist attacks
NY Yankees, Mets unite on 20th anniversary of 9/11
Sept. 11 Attack 20th Anniversary: Live Updates: With Bowed Heads, Americans Reflect on 9/11 and Its Aftermath - The New York Times
Television Networks Commemorate the 20th Anniversary of 9/11
9/11 20th-anniversary TV shows, specials and documentaries - Los Angeles Times
Ways Baseball Has Helped Distract, Heal the World During Dark Times, News, Scores, Highlights, Stats, and Rumors
9/11 20th-anniversary TV shows, specials and documentaries - Los Angeles Times
Live updates of the 20th anniversary of 9/11
Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform Tributes – SportsLogos.Net News
Remembering 9/11
America remembers 9/11 20 years later: LIVE UPDATES
Rudy Giuliani during the September 11 attacks - Wikipedia
LEADING OFF: Mets host Yankees on 20th anniversary of 9/11