Zavon Hines, Jordan Spence, Freddie Sears, Junior Stanislas, James Tomkins and Jack Collison are all likely to feature for the relegated Hammers at home to Sunderland while Keen said some of those set to leave in the summer will be left out.
Too late: Collison (left) has missed much of the season through injury
They will be without Mark Noble (hernia) and Gary O'Neil (ankle) while player of the year Scott Parker has been hampered by an achilles problem in recent weeks.
Provisional squad: Green, Jacobsen, Tomkins, Upson, Hitzlsperger, Piquionne, Spector, Ba, Cole, Boffin, Reid, Da Costa, Boa Morte, Collison, Keane, Spence, Bridge, Parker, Stanislas, Hines, Sears.
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Explore more:People: Freddie Sears, Jack Collison, James Tomkins, Gary O'Neil