Orient Under-18s will win the Merit League Two title if they can beat Cambridge United at home on Saturday.
The O's won 2-1 at Northampton Town yesterday after goals from Sam Alderson and Scott Kashket.
This followed on from Saturday's 1-0 victory at AFC Wimbledon after a first-half volley from Montel Agyemang.
Orient have a one-point advantage over Bristol Rovers at the top of the league heading into the final game of the season.
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