By GUY WILLIAMS

DONCASTER continue to impress with their third win in four after a dogged fightback at Castle Park.
They trailed Nottingham by ten points with 20 minutes remaining and their ability to dig in impressed coach Clive Griffiths, especially after going down in the derby against Yorkshire Carnegie last Sunday.
Griffiths said: “To come back from being 23-13 down was magnificent. I thought we had a great finish and Andy Bulumakau’s try was amazing.
“He has got the attributes to play international rugby and he showed how to win matches when he shot through the mid...