France head into the World Cup in good shape and Didier Deschamps will hope to guide the side to a better finish than four years ago when they crashed out in the first round without a win.
They look stronger this time despite the absences of Samir Nasri and Franck Ribery and are very strong defensively.
Debuchy has been used in all three of France's pre-World Cup friendlies and they have only conceded one goal in those games.
Though the 28-year-old picked up a leg injury on Sunday and Sagna could force his way back into the starting lineup as a result.
Statistically both are closely matched, though Debuchy is a more effective defender and this could see him claim the starting role if he is to recover from the injury he picked up against Jamaica on Sunday.
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Sagna made more appearances last year but was inferior defensively and the Newcastle fullback won more tackles and duels than his Arsenal counterpart.
The 31-year-old was more of a threat going forward and just edged Debuchy in the amount of crosses made per game and was much better in terms of passing accuracy, though he played in a better side.
Les Bleus have kept a clean sheet in eight of their last eleven matches and whoever is selected at right-back will be responsible for helping France progress from a relatively easy group.
Didier Deschamps men open their campaign against Honduras on Sunday night before playing Switzerland and Ecuador.
If fit, Debuchy looks set to start at the back for France though Sagna is a more than suitable replacement if the Newcastle man misses out.
Who should start at right-back for France?