Manny Pacquiao is a notable lightweight boxer .
Notable lightweight boxers include Alexis Argüello , Henry Armstrong , Ken Buchanan , Héctor Camacho , Tony Canzoneri , Pedro Carrasco , Joel Casamayor , Julio César Chávez , Diego Corrales , Bummy Davis , Oscar De La Hoya , Roberto Durán , Joe Gans , Miguel Ángel González , Amir Khan , Benny Leonard , Ray Mancini , Manny Pacquiao , Juan Manuel Márquez , Floyd Mayweather Jr. , Sugar Shane Mosley , Carlos Ortiz , Pernell Whitaker , and Ike Williams .
Lightweight