Macau, China  ---   Eight division world champion Manny Pacquiao, Olympic gold medal winner Zou Shiming, Rex Tso, heavyweight Andy Ruiz and Puerto Rican Olympian Felix Verdejo take part in open workouts. Pacquiao vs Rios will battle at The Venetian Macao Resort in Macau, China and will be televised live in the US, Saturday, Nov. 23, 9pm ET/6pm PT on HBO Pay-Per-View.  --- Photos by Chris Farina/Top Rank.