Chris Martin continued his return to form with a goal in a 2-0 victory over Nahki Wells and his Huddersfield Town teammates to keep Derby in touch with the Sky Bet Championship front-runners.
Huddersfield had plenty of openings but lacked the quality up front which Martin showed when he headed his third goal in four games before setting up substitute Johnny Russell for the second.
ENGLISH DIVISION ONE
RAI SIMONS – CHESTERFIELD
Lee Novak's last-minute winner secured Rai Simons and his Chesterfield teammates a 1-0 victory at Southend. The striker's cool, late finish sent Danny Wilson's side six points clear of the relegation zone.
Rai Simons was once again an unused substitute.
The Chesterfield win sent play-off pushing Southend down to 10th, Chesterfield stretched their unbeaten run to five games.
ENGLISH DIVISION TWO
REGGIE LAMBE – MANSFIELD
A stoppage-time winner by Ryan Dickson earned Yeovil a 1-0 win and three precious points at Reggie Lambe and his play-off chasing Mansfield teammates.
Mansfield did hit the bar, but revitalized Yeovil snatched it at the death as Dickson turned in a low cross by Brandon Goodship from the left from six yards.
On 14 minutes Artur Krysiak got down to parry a low Lambe shot from 20 yards, the clearance striking James Baxendale and sailing inches wide.
Lambe ballooned another chance over when he failed to properly control a low Adam Chapman corner while Connor Roberts' superb tackle stopped Matt Green racing clear.