Opening Ceremony of the 2016 Rio Olympic Games-"Rio Comes Alive"

Rio Opening Ceremony Fireworks

Rio 2016 Opening Ceremony

Rio Opening ceremony 2016

Rio comes alive with the 2016 Olympic. Amid all the noise in the buildup to Rio, it's easy to forget that two of the most celebrated Olympians in history are preparing to make their final appearances this month.Michael Phelps and Usain Bolt -- who have earned 28 Olympic medals between them, while reaping millions in endorsement deals -- have confirmed that Rio 2016 will be their last Olympic runs.American swimmer Phelps has won 18 golds, double the next biggest haul in history, while Jamaican sprinter Bolt, has run two Olympic sweeps in the 100m, 200m and 4x100m relay.

Unless a miracle can preserve the bodies of these once-in-a-generation athletes, a gaping hole in Olympic sponsorship deals will need filling at future games.So which athletes are primed to exit Rio a