The Harlequins wing David Strettle has been ruled out of England's summer tour because of an abdominal illness and will be replaced by Bath's Matt Banahan.
England face Argentina next Saturday at Old Trafford before a return fixture in Salta seven days later.
Jamie Noon is receiving treatment for a tweaked right hamstring sustained in yesterday's defeat by the Barbarians while Mark Cueto and Mathew Tait are making good progress and it is anticipated they will be available for Saturday's Test at Old Trafford.