The league leaders, who have opened the scoring more often (17 occasions) than any other League Two side, start as William Hill's 4/6 favourites to win, with Paddy Power posting 11/4 against the draw.
According to bet365, Rochdale are 1/2 to score first (Alex are 21/10 with Victor Chandler in the same market), while Stan James offer 4/6 about the fixture yielding more than two goals.
Jaxx.com chalk 11/1 against Crewe winning following a drawn first half and 888Sport post an enormous 14/1 against a 1-0 away win.
More likely is a draw, and punters who concur can get 6/1 (Totesport) about it finishing one apiece.
For more odds comparisons, go to www.betrescue.com