Though the Toffees have managed 1-1 draws against top-tier competition in their last two home games, this one is a road fixture, and it's going to be tough. West Ham manager Sam Allardyce and Everton boss Roberto Martinez both want to advance to the fourth round, and should field the strongest side available to them.
How to watch, listen, and stream
Date and Time: January 13, 2015. 19:45 GMT, 2:45pm EST
Stadium: Boleyn Ground, London
TV: BT Sport 1, Fox Sports 1
Radio: talkSPORT and BBC Radio
Stream: Fox Soccer 2 Go
Info via Livesoccertv.com
Everton XI: Joel, Baines, Jagielka (c), Stones, Coleman, Barry, Besic, Barkley, Naismith, McGeady, Lukaku
Everton subs: Griffiths, Oviedo, Kone, Mirallas, Garbutt, Alcaraz, McAleny
West Ham XI: Adrian, Cresswell, Tomkins, Jarvis, Carroll, Downing, Noble (c), Jenkinson, Collins, Song, Valencia
West Ham subs: Jaaskelainen, Nolan, Vaz Te, O'Brien, Amalfitano, Cole, Burke
Check out our match preview here and the Q&A with a West Ham fan site here, and be sure to join in the conversation with fellow Blues below in the comments. For everything else Everton, bookmark Royal Blue Mersey and follow @RBMersey on Twitter.