Second-placed Middlesbrough go into Saturday's game (15:00 GMT) in a rich vein of form having won their past three games with Kim Hellberg continuing his perfect start as boss after their win at Charlton last time out.
Boro are flying high in second place and are five points adrift of leaders Coventry.
QPR will be looking to squeeze their way into the play-off positions after picking up wins in their past two games.
The R's, who currently sit just outside the top six but only on goal difference, claimed a dramatic late winner against Birmingham City in their most recent outing.