Watford boss Malky Mackay has no major concerns as his struggling side host relegation rivals Crystal Palace.
Arsenal loanee Henri Lansbury returned to play 90 minutes in Saturday's 1-1 draw with Middlesbrough after a hip injury had ruled him out of the previous two games.
Lansbury looks certain to feature again and the Hornets have no other suspension or injury worries.
However, they have won only of their last nine games and are hovering nervously just four points above third-bottom Palace.
Mackay said: "Crystal Palace is a big game but no bigger than the seven or so after that, so we have to make sure that on Tuesday night we put in the same performance as we did on Saturday."
Palace pair Matt Lawrence and Claude Davis return to contention.
Lawrence served a one-game ban for his red card against Nottingham Forest last week and Davis returns to boost manager Paul Hart's back line after sitting out three matches following his dismissal for violent conduct in the recent home defeat to Leicester.
A further boost for Hart is the successful return of Paddy McCarthy, who came through the 90 minutes against Cardiff unscathed on Saturday after returning from a long-term shoulder injury.
Hart, whose side lie third bottom and four points behind Watford in the table, has no other new injury or suspension problems and is not expected to make too many changes as his side chase their first league win in seven attempts.
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