Australia's Steve Smith lays on the pitch after being hit in the head by a ball off the bowling of England's Jofra Archer during play on the fourth day of the second Ashes Test at Lord's. AFP
Australia's Steve Smith lays on the pitch after being hit in the head by a ball off the bowling of England's Jofra Archer during play on the fourth day of the second Ashes Test at Lord's. AFP

Steve Smith's exclusion from third Ashes Test a 'no-brainer', insists Justin Langer