While it was always going to be tough for the League Two side against Championship opposition, Crawley barely put up a fight in the first-round match. 

Kewell made a total of nine changes to the squad that went down 3-1 in his senior managerial debut on the weekend. 

Former Sheffield United forward Che Adams scored a hat-trick, while goals to David Davis and Robert Tesche rounded out the win for Harry Redknapp's Birmingham. 

Panutche Camara scored a late consolation for Crawley, but it wasn't a pleasant night for the hundred or so fans who made the trip north. 

Meanwhile, Tom Rogic's Celtic advanced to the next round of the Scottish League Cup with a 5-0 win over Kilmarnock. 

Ryan Edwards scored a goal of the season contender as Partick Thistle won 3-0 over St. Johnstone in the Scottish League Cup. 

Back in the EFL Cup, Bailey Wright and Massimo Luongo did not play but their respective sides Bristol City and Queens Park Rangers advanced to the next round. 

Ryan Williams started for Rotheram United as they also made it through, but Aiden O'Neill and Fleetwood Town were knocked out by Carlisle United. 

In Portugal, Awer Mabil made his Portuguese Primeira Liga debut for Pacos de Ferreira in their 1-0 loss to Maritimo.