Grant Holt, Reuben Noble-Lazarus and Michael Rose are among eight players set to leave Rochdale at the end of their contracts.
With less than a handful of games remaining in the 2015/16 campaign, some promotions and relegations in the football pyramid are already known.
Swindon hold on for a point with nine players as Louis Thompson and Brandon Ormonde-Ottewill are sent off at Rochdale.
Team news ahead of Saturday's Sky Bet League 1 clash between Rochdale and Swindon
The Football League, or the brainless EFL rebrand, have today released the key dates for the coming 2016/17 season.
Michael O'Connor scores a brace as Port Vale hammer Rochdale, whose League One play-off hopes are realistically all but over.
Team news ahead of Saturday's Sky Bet League 1 clash between Port Vale and Rochdale
Rochdale midfielder Callum Camps was left red-faced after leaving his car lights on during his side's match against Gillingham on Tuesday.