Leyton Orient maintained their 100% start in League Two, with Stevenage, Yeovil, Morecambe, Plymouth, Bristol Rovers and Crawley also winning.
Leyton Orient lead Wycombe and Hartlepool on goal difference at the top of League Two after all three maintained their 100% records on Tuesday.
Portsmouth, Wycombe, Leyton Orient, Northampton and Hartlepool maintained their 100% League Two starts, while Carlisle and Cambridge drew 4-4.
Brentford manager Marinus Dijkhuizen was surprised by his players' lack of leadership in Tuesday's "awful" cup exit to Oxford.
Capital One Cup at Bootham Crescent.