Sheffield Wednesday head to Millwall on Saturday for what’s become a crunch match at the foot of the Championship table. Many expected Sheffield Wednesday to struggle in the Championship this season, but few would’ve predicted that Millwall would find themselves in 21st after the opening 32 games of the season. The Lions spent well last summer but started slowly, then changing managers with Gary Rowett leaving and former England U20s boss Joe Edwards coming in. But after 18 games, the 37-year-old has won just four, with a 4-0 defeat at home to Ipswich Town last night leaving the Lions just fou…