Ampthill make four changes to the starting line-up and three on the bench for the first visit of the Knights to Dillingham Park.
Matt Collins comes in at tighthead and Shay Kerry returns in the second row. Kevin Barrett takes over the nine jersey in a rotation of the scrum-half pool with Serafin Bordoli returning to the starting fifteen at inside centre.
On the bench, Syd Blackmore and Will Allman are among the forwards replacements with Will Foster covering the back three.
“We were all very disappointed with last week’s effort against a good Ealing side and if we play like that against a very experienced Doncaster Knights it will be a long afternoon.
I’m looking forward to welcoming Clive Griffiths back to Dillingham Park where he used to help out with the coaching. Clive has built a very good side that has had a dreadful run with injuries but they are now getting most of those players back. They did a really good job on Nottingham last week and thoroughly deserved the win.
The Knights have a very big and experienced forward pack and a backline that play a flowing and attacking brand of rugby. They have been in the competition for a long time and understand how to win on the road – we will need to be at our very best if we are going to get anything out of the game.”
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Doncaster Squad
Robin Hislop
Ben Hunter
Colin Quigley
Morgan Eames
Matt Challinor
Tom Calladine
Wian Conradie
Ollie Stedman
Tom James
Sam Olver
Tyson Lewis
Charlie Foley
Lloyd Hayes
Howard Packman
Cameron Cowell
George Edgson
Andrew Foster
Joe Sproston
Rory Pitman
Fotu Lokotui
Sam Pocklington
Kyle Evans
Jack Roberts