@davek
Just for the sake of it, checked the form for Alardyce next to Martinez given my above post over BFS points per game
The form which saw Martinez sacked before the Norwich game
Last 4 - 3 points (conceded 11)
Last 11 - 9 points (conceded 20)
Last 15 games - 15 points (conceded 23)
Alardyce form
Last 4 games - 3 points (conceded 9)
Last 11 games - 9 points (conceded 19)
Last 15 games - 18 points (conceded (21)
Basically the only difference between the two managers comes both in points and defensive record from the first couple of games Allardyce took over, which is alarming really.