As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
New York Islanders Longest Serving Members in Franchise History
Nassau Coliseum Legacy Endures for Islanders Legends Tonelli and Potvin
Legendary Islander Clark Gillies: The last thing on my hockey bucket list is to drink from the Stanley Cup one more time - The Hockey News
New York Islanders John Tonelli Number Retirement 18x24 Serigraph – Phenom Gallery
Islanders start new chapter at UBS Arena: 'A new-school building that feels old school
Islanders honor John Tonelli by retiring his No. 27
The Strange Existence of the New York Islanders Hall of Fame - Lighthouse Hockey
John Tonelli and the Islanders Thaw the Ice After 34 Years - The New York Times
Tonelli’s #27 was retired on February 21, 2020. CCM with fight strap! Scott has been featured on many TV Shows including HBO's Real Sports and ABC
John Tonelli Signed Ny Islanders Stat Jersey #27 Retired 4 Stanley Cup Auto PSA
Denis Potvin, jersey-tossing fan save Islanders' watch party
New York Islander Fan Central: 02/01/2020 - 03/01/2020