The Premier League side cruised past Lusitans 4-0 on aggregate in the first qualifying round and head into Thursday's clash at Upton Park having shown more good form in front of goal in a 3-3 draw with Peterborough United in a pre-season friendly last weekend.
Diafra Sakho was on target again in that game having scored twice in the first leg with Lusitans, while 20-year-old Elliot Lee netted the only goal of the game in the second leg.
