Who do you think deserves redemption for their actions?
Sasuke: in the early years he proved to be a very reliable teammate
and has risked his life several times for his comrades.
Obito: He was basically another naruto who wanted to protect everyone in
the village and also sacrificed himself for his team.
Sasuke: His overall motives throughout the whole series was to avenge his clan
and led him towards a path of revenge.
Obito: His feeling for Rin were a major influence in him wanting to become hokage and because of his strong feelings for her, Rins death led him towards a war for reality.
P.S these are very generic descriptions so if you want to elaborate more, great.