 Complete the following phrase:  After three seasons with Dundee United he came to the attention of West Ham United. Turning down an initial bid of 175,000 he transferred to West Ham for a fee of 430,000 in 1979 making him the most expensive teenage footballer at the time. Stewart made his West Ham debut on 4 September 1979, playing as a defender, in a League Cup game against Barnsley. His first West Ham goal, a penalty, came on 29 September 1979 in a 21 home win against Burnley. In 1980 West Ham won the 