By James Cormack Crawley Town and Crewe Alexandra will battle it out at Wembley on Sunday with promotion to League One up for grabs. This was a fixture very few projected before the season got underway. Crawley and Crewe were among the favourites to succumb to the drop but both have defied the odds and embarked on stellar campaigns in the fourth tier. The pair were even written off after qualifying for the play-offs, but Crawley blew away MK Dons in the second leg of their semi-final, progressing as 8-1 aggregate victors, while Crewe beat Doncaster Rovers on penalties despite losing the first …