"Delon put in a very good performance, he's showing the sort of form he showed in 2009, and I need to match that and make sure I keep my nose ahead of him."
Foden remains in pole position to wear the No15 shirt when England open their World Cup campaign against Argentina on September 10 and is expected to be in the XV for Saturday's Test against Wales at the Millennium Stadium.
"It's one of my dreams to get to a World Cup so to come this far and get this close means there is probably more pressure on me than ever," said Foden.