The Gunners saw off the Tigers on Tuesday night to book a home quarter-final tie against Watford.
West Ham are on course to qualify for Europe this season.
Leeds United striker Mirco Antenucci has scored three goals in his last two matches.
The teenager is struggling for game time this year.
Sheffield Wednesday signed Aiden McGeady on loan from Everton in the January transfer window.
Walker praises the job Pochettino has done, and talks up his man management.
Leeds United won 2-0 against Cardiff City yesterday evening.
The Belgian stuck by his compatriot, but did not go into much detail.
Newcastle United are currently sat in 19th place in the Premier League table.
The 20-year-old was a mere spectator at The Valley.