Arsene Wenger's side make their first appearance this season in the Capital One Cup after gaining a bye in the last round, with Steve Clarke's side breezing past Newport County in a 3-0 win at the Hawthorns in the second round.
Arsenal come into this match after recording their seventh straight win in all competitions at the weekend. Wenger's side saw of a spirited Stoke City team to run out 3-1 winners and put them on top of the Premier League.
After starting the season with a loss at home to Aston Villa, Arsenal have been in unstoppable form, beating the likes of Fenerbahce, Tottenham Hotspur and Marseille.
Despite Wenger being likely to bring in a few new faces this evening, Betway price them at even money [2.00] to carry on their winning run.
West Brom recorded their first league win of the season at the weekend, cruising past Sunderland at home in a 3-0 win. Their only previous victory this season had come in the Capital One Cup, with Clarke's men recording draws away at Everton and Fulham.
