After a successful tour of Scandinavia, the Whites are stepping up their fitness levels ahead of the new-season kick-off at home to Norwich in only 16 days' time.
Frazer Richardson, Sean Gregan, Hayden Foxe, Robbie Blake and Jermaine Beckford will all be in the starting line-up at the Darlington Arena but injuries continue to keep Richard Cresswell, Shaun Derry and Stephen Crainey on the sidelines.
A cancelled flight out of California also delayed the arrival back at Thorp Arch today of Eddie Lewis, who has been given time off by Blackwell to get over his World Cup exertions with the USA.