James Akintunde bagged a brace as AFC Sudbury stunned leaders VCD Athletic in Ryman League Division One North on Saturday.
The Yellows can no longer reach the play-offs themselves, but may have condemned VCD to a place in the play-offs after the defeat saw Athletic slip from the summit,
Another team to lose their place at the top of their table were Hadleigh United, who were beaten 3-2 by Walsham-le-Willows and overtaken by Felixstowe and Walton United.
Halstead Town’s promotion hopes were dealt a blow when they were held to a 2-2 draw at March Town United in the First Division on Friday night.
Cornard United recorded a 2-1 victory at Downham Town, but Long Melford lost 3-1 to Dereham Town Reserves and AFC Sudbury Reserves were thrashed 7-0 by Needham Market Reserves.
Norwich City were beaten 3-2 by leaders Liverpool in the Barclays Premier League on Sunday, while Ipswich Town remained outside of the play-off places in the Sky Bet Championship after suffering a 3-1 defeat at Watford.
On the opening day of the Marshall Hatchick Two Counties Championship Division One cricket season, Sudbury defeated Witham by 32 runs, while Hadleigh lost to Mildenhall by seven wickets.