The Maidenhead United manager knows the battle to stay in the Vanarama National League has been turned upside down due to the incredible form of a number of the sides down the bottom.
With some many in with a great shout of avoiding relegation now, the experienced manager knows nobody in the bottom half is safe.
In an interview with the Maidenhead Advertiser, Devonshire accepted that includes his team and spoke of the work ahead.
Even after ending a tricky four-game losing run with a fine victory at Altrincham on Saturday, he is refusing to say his side are on their way to a seventh National League campaign.
Last year, 49 points was enough to stay up.
He feels it is going to make many more to keep heads above water this time but backed his team to see off the challengers.
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“There are so many clubs involved in the relegation scrap and the play-offs,” Devonshire told the publication. “It's mad this year with the points separating so many sides. We're going to need a lot more points than normal.
“There's lots of teams still fighting. Kidderminster won on Tuesdays night, and Woking did as well.
“It's important for all teams to get on a run and pick up results. I do feel that apart from Chesterfield who are above everyone else most other teams are much of a muchness.”
This weekend, Maidenhead - currently five places but just three points above the bottom four - travel to AFC Fylde, who are also down there fighting for their lives.