Blackburn go top of the early Championship table after winning 3-0 at Swansea, as Sunderland, Sheffield United and Stoke also win on Saturday.
Jevani Brown struck twice as Exeter turned in a stylish performance to thrash Port Vale 4-0 in their first home game in Sky Bet League One for 10 years.
Ben Thompson and Hector Kyprianou marked their full Peterborough debuts with goals in a 3-0 rout of Morecambe.
Luke Thomas scored the only goal as Barnsley beat Cheltenham 1-0 at Oakwell, with new boss Michael Duff securing his first league victory against his former club.
Jonson Clarke-Harris scored twice as Peterborough hit back from two goals down to start the season with a 3-2 win at Cheltenham.