The fox poll has a sample of only R+2. I think Alabama had an R+over 20 in the last few elections. Unless dems turn out in unprecedented and historic proportions, this poll oversamples dems by a large margin. - see here -
https://andersonrobbins.com/wp-content/uploads/2017/10/121117_complete_dec_AL_topline_web.p
Link here - sorry.
https://andersonrobbins.com/wp-content/uploads/2017/10/121117_complete_dec_AL_topline_web.pdf