The battle for this season's first EFL Cup final spot remains on a knife edge.Arsenal host Chelsea in Tuesday's semi-final second leg with the hosts heading into the tie with a slender advantage from

Arsenal reached the Carabao Cup final after beating Chelsea at the Emirates Stadium.

Arsenal are monitoring Bukayo Saka after he withdrew late against Leeds, while Mikel Merino will miss out and undergo surgery on a suspected broken bone in his foot.