Graham Potter expects tonight’s opponents Leicester City to offer as difficult a test as the other two sides Albion also face during the toughest week of the season so far.
Both sides will make changes for the Carabao Cup fourth-round tie which is sandwiched between Premier League games against Manchester City and Liverpool for Potter’s men.
“It’s a tough week with League games against two of the best sides in the world and Wednesday against a Leicester side who are not far off that standard,” said Potter.
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"[Leicester manager] Brendan Rodgers has assembled an excellent squad, and they have been impressive in how they have worked. Not so long ago they were Premier League champions.
"They are competing to get into those Champions League spots and top four, which is really difficult, and they are doing it in a good way.
"Whoever they play will be a test for us which is great for our players. We want our guys to be ready for that and we are looking forward to the game. We know we are playing against a very talented team, whoever they choose, but it’s a game we are looking forward to.”
Albion are unlikely to face Jamie Vardy, who came off at half-time in Sunday’s win over Brentford, with Enock Mwepu’s Zambian teammate Patson Daka likely to lead the line after scoring four goals in Leicester’s Europa League win against Spartak Moscow last week.
“They also have Ayose Perez, Harvey Barnes, Ademola Lookman, I have no idea who will play, to be honest, but of all those are all top Premier League players," added Potter.