Alex Dunbar was running on his own when his knee gave way on Thursday . The former NFL player is now in a medically induced coma and has been unable to speak since the accident at around 1pm local time (Friday NZT). Scotland face England in the Six Nations for the Calcutta Cup on Saturday .
Alex Dunbar was running on his own when his knee gave way on Thursday . The injury puts the Scotland centre in doubt for the 2015 Rugby World Cup . Scotland face England in the Six Nations for the Calcutta Cup on Saturday .