Johnny Sexton still outplaying Father Time as he looks to cement Lions jersey

Johnny Sexton is among the few ancient warriors who never know when to quit, The Methuselah Men

Johnny Sexton during Ireland's Captain's Run at the Aviva Stadium earlier today. Picture: INPHO/Billy Stickland

Johnny Sexton will bust the proverbial gut again tomorrow and whatever else it takes towards affirming his elevation into global sport’s most venerable fraternity, as reserved for those who never grow old.

They are the few ancient warriors who never know when to quit, The Methuselah Men. Tom Brady, the oldest quarterback to win the Super Bowl, remains the daddy of them all at 43, one year older than the perennial super welterweight boxing champion, the Filipino Manny Pacquiao.