 In July 2007 he signed a three-year professional contract, becoming a member of West Brom's first-team squad.He suffered a poor start to his professional career, being sent off in a 2007–08 pre-season friendly with Hajduk Split; however manager Tony Mowbray said it was a "very harsh decision" and that 17-year-old Worrall "looks like he's got all the right things you need to make it to the top".He made his Albion debut after coming on as a 75th-minute substitute for Filipe Teixeira in a 1–0 League Cup victory over Bournemouth at The Hawthorns on 14 August.