Parker joined Mansfield this summer after leaving Oldham
Mansfield Town scored twice in the last 15 minutes to earn a morale-boosting win against lowly Eastbourne Borough.
The Stags led at the break thanks to a stooping Kyle Nix header after a fine cross from the excellent Ashley Cain.
Borough drew level when Jamie Taylor converted a left-wing Neil Jenkins centre from 12 yards.
Adam Murray's shot restored the Stags' advantage and Keigan Parker sealed the win in injury time when he fired into the bottom corner from close range.
The result leaves Eastbourne struggling in 22nd spot in the Blue Square Bet Premier table but provides a much-needed victory for a Mansfield team who were beaten 1-0 by then-bottom Altrincham and 7-2 by Grimsby in their last two league outings.
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