It is billed as Survival Sunday and as the most exciting season many fans can remember reaches a climax Wigan, Blackpool, Birmingham, Wolves and Blackburn will be fighting for their Premier League lives and a television contract next season worth a minimum of £40 million.
Two from the fearing five will join West Ham in the Championship and the clubs battling against relegation are so evenly matched it could be that goals scored rather than goal difference will decide who stays up.
The scenarios would test Einstein — a team could win yet go down or lose but stay up. If two sides finish level on points and goal difference, a distinct possibility, then the number of goals scored comes into the equation, and Birmingham's paltry total of 36 leaves it vulnerable.