John Egan was substituted in the 16th minute of Brentford's win over Bolton after a clash of headsClick here for live text coverage on Tuesday 19:00-22:00 BST
Brentford will assess captain John Egan after the defender suffered a head injury in the 3-0 win over Bolton.
Manager Dean Smith is still without attackers Sergi Canos (ankle) and Lasse Vibe (foot) as he looks to build on a first league win of the season.
Derby are monitoring midfielder Tom Lawrence and defender Curtis Davies, who both have groin problems.
George Thorne is also a doubt after illness at the weekend, but Johnny Russell is fit and could be involved.
Match factsThe Bees, 4-0 winners over Derby in April, haven't beaten them in back-to-back league games since October 1937.The Rams have won just two of their last 10 visits to Griffin Park in all competitions (D4 L4), a 3-1 win in the Championship in February 2016 and a 4-3 win in the Anglo-Italian Cup in January 1993.The Bees are winless in six home matches in all competitions (D3 L3), last enduring a longer run without winning between September and December 2006 (11 matches).Chris Martin has been involved in three goals in three away league matches at Griffin Park, scoring two and assisting one, including scoring in both previous appearances there for Derby.The Rams are on their longest away league run without a clean sheet (13 games) since September 2008, when they went 16 on the road without one.
Source: bbc.com