By Scott Barr

DECISIVE: Port Vale midfielder David Worrall scores the crucial goal
PICTURE: PSI/Dennis Goodwin

PORT Vale manager John Askey has set his sights on the play-off positions after David Worrall fired his side to victory at Northampton.
Worrall scored the only goal of the game 17 minutes from time as Vale became the first visiting team since Leyton Orient on October 5 to win at Sixfields.
Northampton, who dropped to sixth as a result of this defeat, created enough chances to win, but they were frustrated by the excellence of goalkeeper Scott Brown, who...