TEAM NEWS: SWANSEA CITY V CHELSEA
Demba Ba will lead the attack in the only change from the starting line-up against Arsenal.
David Luiz is fit enough to return to the bench having missed Sunday's game with an ankle injury.
Swansea are unchanged from the first leg so Chico Flores has recovered from injury and will play in central defence.
Chelsea are expected to line up in the following 4-2-3-1 formation:
1 Petr Cech
28 Cesar Azpilicueta
2 Branislav Ivanovic
24 Gary Cahill
3 Ashley Cole
8 Frank Lampard (c)
17 Eden Hazard
10 Juan Mata
29 Demba Ba
Substitutes: 22 Ross Turnbull, 19 Paulo Ferreira, 34 Ryan Bertrand, 4 David Luiz, 26 John Terry, 21 Marko Marin, 9 Fernando Torres.
Swansea are expected to line up in the following 4-2-3-1 formation:
Tremmel; Rangel, Chico, Williams (c), Davies; Britton (c), Ki Sung-Yueng; Hernandez, De Guzman, Routledge; Michu.
Substitutues:Vorm, Monk, Tiendalli, Lamah, Dyer, Shechter, Graham.
The referee is Chris Foy.