National League play-offs - May 25 - Rochdale 3 Southend 4
READ MORE: Shrimpers boss Maher assesses strength of squad
Cortlett has shown 37 yellow cards in eight games so far this season but has yet to issue a red card.
Saturday's clash will be his first in the National League during the current campaign.
Cortlett last officiated Blues for their 1-1 draw at Woking in April 2023.
FIXTURES
Brackley v Sutton, Aldershot v Hartlepool, Altrincham v Carlisle, Boston v Boreham Wood, Eastleigh v Braintree, Gateshead v Halifax, Morecambe v Wealdstone, Scunthorpe v Truro, Tamworth v Yeovil, Woking v Forest Green, York v Solihull, Rochdale v Southend.
POINTS OF INTEREST
>Saturday's match kicks off at 5.30pm due to being shown on DAZN.
>Rochdale top the table with 21 points from eight games.
>In four home games so far this season, Rochdale have scored eight goals and conceded just once.
>Rochdale have won seven of their eight games this season and have yet to draw a game.
>Emmanuel Dieseruvwe is top scorer for Rochdale with seven goals so far this season but he is suspended for Saturday's clash.
>Blues won twice at Rochdale last season having previously won just one of their last nine visits.
>Kevin Maher celebrated his 100th game and 150th game as Blues boss at Rochdale.
>Rochdale have the second best home record in the division while the Shrimpers have the second best away record at this stage.