The club is still aiming to leave Blundell Park within the next few seasons.
The four teams relegated from League One in 2005–06 would occupy the top four this season, sending Walsall, Hartlepool and Swindon back up.
Bristol Rovers won the play-offs however, returning to League One after six years.
Torquay United had been both the last team to finish bottom under the old election system, and the last team to finish bottom of the League and survive due to the Conference champions not having a good enough ground.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.