Arsenal host Chelsea in the second-leg of their Carabao Cup semi-final, playing for the right to meet Manchester City in the final.
The tie is delicately poised after a goalless draw in the first-leg.
“The two teams are very close to each other every time they meet and the form of the day can be a decider,” said Arsenal boss Arsene Wenger.
“The strength of the motivation on the day can be a decider as well. It has always been very tight, they are two good teams who know each other well now so it’s very unpredictable.”
Chelsea boss Antonio Conte is expecting a close affair.
“When you play against Arsenal, you must be prepared to suffer without the ball,” he said.
“They like to be offensive and bring many players in the box to find combinations between strikers-midfielders-wingers.
“We must pay attention and be compact.”
See below for a preview on the games, including predictions from our own Football Insider Graeme Bailey and BoyleSports’s Lawrence Lyons.
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Arsenal 19:45 Chelsea (agg 0-0)
TEAM NEWS: New signing Henrikh Mkhitaryan is not eligible to make his debut – but Arsenal could welcome Aaron Ramsey and Nacho Monreal back. Chelsea are without Cesc Fabregas and Alvaro Morata but Andreas Christensen could return.
KEY FACT: The Blues are unbeaten since December 9th
MATCH ODDS: Arsenal 9/5 Draw 12/5 Chelsea 6/4
GRAEME SAYS: Close game, but Man City will win – little doubt…0-2
BOYLESPORTS PICK: Both Teams To Score & over 2.5 goals @21/20
FOOTBALLIndex – One to follow: Mesut Ozil now under £3 could be very good value