Leicester's number one goalkeeper Chris Weale was forced off with a shoulder injury against Burnley on Saturday so Conrad Logan will deputise.
Matty Fryatt and Lloyd Dyer may not be risked as boss Paulo Sousa is keen to protect their long-term fitness.
MATCH FACTS
Head-to-head
• These clubs have gone head-to-head on 113 occasions; Leeds have won 45, Leicester 37, with 31 drawn.
• Leicester are unbeaten in their last five matches against Leeds.
• United have scored 199 goals against the Foxes.
• Honours are even in the League Cup. Leeds won a second-round tie 3-1 on aggregate in 1990, Leicester prevailed in two fourth-round ties (2-1, in 1998, and on penalties in 1999 after a 0-0 draw). Then Leeds trounced the Foxes 6-0 at Filbert Street in the third round in October 2001.
Have your say on the game
Leeds United
• Leeds beat Lincoln 4-0 in the first round, and are now embarking on their fourth successive home tie in the League Cup.
• The West Yorkshire club have participated in the third round in all but one of the last 15 seasons.
• Leeds have lifted the League Cup trophy just once in their history. Don Revie's side beat Arsenal 1-0 at Wembley in 1968 courtesy of a Terry Cooper winner.
• Manager Simon Grayson won the League Cup in 1997 as a player with Leicester.
• Max Gradel, Patrick Kisnorbo and Alan Sheehan are all former Leicester players, but are yet to make an appearance for Leeds this season.
Leicester City
• Leicester are keen to avoid being knocked out at the second-round stage for the third season running.
• The 1964, 1997 and 2000 winners won a dramatic first-round tie against Macclesfield 4-3.
• The Foxes have since failed to score in their last two league games, and are still seeking their first victory in the Championship this term.
Source: BBC Sport
Source: BBC Sport