Demba Ba returns to lead the attack with Frank Lampard back in midfield and captain against his former club.
Gary Cahill is in central defence alongside David Luiz with John Terry and Branislav Ivanovic on the bench. Victor Moses returns in place of Oscar.
Eden Hazard and Juan Mata play their 50th appearances of the season for the Blues.
West Ham make two changes to midfield with Joe Cole out injured and Matthew Taylor dropped. Ricardo Vaz Te and Jack Collison come in.
Chelsea are expected to line up in the following 4-2-3-1 formation:
1 Petr Cech
28 Cesar Azpilicueta
24 Gary Cahill
4 David Luiz
3 Ashley Cole
8 Frank Lampard (c)
13 Victor Moses
10 Juan Mata
17 Eden Hazard
29 Demba Ba
Substitutes: 22 Ross Turnbull, 2 Branislav Ivanovic, 26 John Terry, 34 Ryan Bertrand, 12 John Mikel Obi, 11 Oscar, 9 Fernando Torres.
West Ham are expected to line up in the following 4-1-4-1 formation:
Jaaskelainen; Demel, Collins, Reid (c), O’Brien; O’Neil; Vaz Te, Collison, Diamé, Jarvis; Carroll.
Substitutues: Spiegel, Pogatetz, McCartney, Tompkis, Taylor, C Cole, Chamakh.
The referee is Michael Oliver.
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