New Delhi: Former India off-spinner Ravichandran Ashwin has shrugged off the possibility of Mumbai Indians (MI) star batter Rohit Sharma playing his last Indian Premier League (IPL) season next year.Ashwin said Hitman's retirement timeline remains uncertain, drawing a parallel with legendary wicketkeeper/batter MS Dhoni's longevity. He also backed Naman Dhir as a potential future captain, praising his clarity of thought and composure.