Arsenal ring the changes but maintain momentum with victory over Leeds United

Second-half goals from Callum Chambers and Eddie Nketiah leave Leeds manager Marcelo Bielsa winless against Arsenal and facing a must-win match at Norwich on Sunday to stay above the relegation zone

Arsenal's Calum Chambers, right, scores his side's first goal during the EFL Cup round of 16 match between Arsenal and Leeds United at the Emirates Stadium in London. (AP Photo/Matt Dunham)

Carabao Cup: Arsenal 2 Leeds United 0

Mikel Arteta just might be on to something at Arsenal.