The 31-year-old remains in England contention following the axing of Billy and Mako Vunipola, Jamie George and George Ford.
Okolie barely had to get out of second gear against his Montenegrin foe.
The United States hold a 9-3 advantage.
‘Some things are more important than football’: Football Fern Rebekah Stott on her cancer journeyAs she prepares for the upcoming W-League season with Melbourne City, Stott reflects on lessons learnt from a cancer diagnosis and recovery Rebekah Stott has had a tumultuous year since celebrating Australia and New Zealand’s Fifa World Cup bid in June 2020. Photograph: Mark Metcalfe/Getty Images