And Nick Cusack nearly put them ahead soon after with a 25 yard strike, saved at the second attempt by the County keeper.
Riley threw his second touchdown pass of the game on a ten yard strike to Cameron Morrah.
In the second quarter, Brett Brackett scored on a two yard strike from Clark.
It was 5 games later that Cook scored what ended up the winning goal at home against Alfreton, a six yard strike for a 1-0 victory.
David scored his first goal for the club with a fine 20 yard strike in a 3-0 home win against reigning champions Shamrock Rovers.
Liam Lawrence scored a superb 30 yard strike which went in the top corner of the Derby goal after only seven minutes.
With the game in injury time and Thistle losing 2-1, Chic rifled home a 25 yard strike to draw level.
His only other Blades goal was an amazing 30 yard strike in a home game against Portsmouth which was also a late winner.
The Falcons countered with another field goal set up by a 70 yard strike from Chandler to Mathis.
In the second quarter, George Wilson hauled in a 33 yard strike to push the lead to 21-0.