Gagné joined Hockey Hall of Famer Guy Lafleur as the only two players that have had their jerseys retired by the Quebec Remparts (Alexander Radulov's number has also since been retired by the Remparts).
Gagné kom med i Hockey Hall of fame Guy Lafleur som de enda två spelare som fått sina tröjor pensionerade från Remparts (Alexander Radulov nummer har också sedan dess pensionerad av Remparts).