You can pay on the day for Coventry City's game with Sheffield United at Sixfields Stadium (4pm kick off).
Tickets can be bought from the kiosks outside the ground.
Coventry City season ticket holders both for this season and last season can bring a friend to Sunday's game against Sheffield United for between £9-£11 for adults.
More on this offer can found by clicking on http://www.ccfc.co.uk/news/article/sheff-u-ticket-offer-1109424.aspx