The FA Cup first round delivered shocks, as Vanarama National League side Maidstone United knocked out League Two strugglers Macclesfield, with a 2-1 win at the Gallagher Stadium.
Ben Stephens had put the visitors in front in the 15th minute, but the home side hit back early in the second half through Jack Powell's free-kick.
Blair Turgott won the tie for the Stones from the penalty spot with 20 minutes left.
Sixth-tier Southport beat National League's Boreham Wood 2-0, with goals in each half from Dean Winnard and Jason Gilchrist.
Kabongo Tshimanga scored a hat-trick as Conference South Oxford City battled to a 3-3 draw against League Two promotion chasers Tranmere at Prenton Park.
Rovers, fourth in the table, took the lead in the 34th minute through Connor Jennings. The Hoops, though, equalised five minutes later when Tshimanga rounded the goalkeeper.
FA Cup Outright Winners Sky Bet Odds
Manchester City: 4/1
Manchester United: 4/1
Tshimanga grabbed his second with another neat finish on 66 minutes before Jennings made it 2-2 with a header from a corner.
City looked to have snatched a memorable victory when Tshimanga tapped in with eight minutes left, but Rovers forward James Norwood had the final say late on to make it 3-3.
Saturday's lunchtime kick-off saw League One Portsmouth avoid a potential banana skin as they won 4-0 at Maidenhead.
Southern League Metropolitan Police saw their FA Cup hopes end with a 2-0 home defeat by Newport County, who are 2000/1 to win the FA Cup, and finishing the game with 10 men.
Padraig Amond and Jamille Matt scored either side of the break for the Welsh side, before Met Police midfielder Louis Birch was sent off for a second caution on 87 minutes.
Late drama in Cup
National League Aldershot will be in the pot for the second round after a 1-1 draw at home against League One bottom club Bradford, who equalised on 70 minutes through midfielder Nathaniel Knight-Percival.
Moses Ademola's second-half goal earned Billericay a 1-1 draw at Chesterfield, while Ebbsfleet secured a replay after a home goalless draw against Cheltenham.
A stoppage-time effort from Bruno Andrade gave Lincoln, 1500/1 to win the Cup, a 3-2 victory over Northampton, who saw Junior Morias sent off before the final whistle. Gateshead went out following a 2-1 defeat at Rochdale.
League One promotion-chasers Peterborough came from behind to beat National League Bromley 3-1 on the artificial pitch at Hayes Lane, where the home side played the second half with 10 men.
Byron Moore scored twice as Bury beat non-league Dover 5-0, while Barnsley beat Notts County 4-0 at Oakwell, Accrington knocked out Colchester 1-0, with Carlisle winning by the same scoreline at Crewe.
Blackpool held on to win 3-2 at Exeter, Luton won 2-0 against Wycombe, while Grimsby saw off MK Dons 3-1 and Plymouth beat Stevenage 1-0 after Ruben Lameiras struck in stoppage time.
Scunthorpe booked their place in the second round after beating Burton 2-1, while it finished 1-1 between Southend and Crawley at Roots Hall.
Woking won 1-0 at Torquay, but York lost 2-1 at Swindon. Walsall held off a Coventy comeback to win 3-2 at home while Stockport came from behind to run out 3-1 winners away to Yeovil.
The ties between Gillingham and Hartlepool, Morecombe versus Halifax, Oxford United and Forest Green and Sutton against Slough all finished goalless.