 Complete the following phrase:  Though used more often in midfield, Greenhoff was more comfortable playing at centre half - due to his talent on the ball and willingness to work hard for the team, he ended up being played in every position for the United first team - including in goal, when Alex Stepney was injured in a game at Birmingham City. Eventually Greenhoff was moved back into his preferred centre half position - by accident, according to Docherty, as his team were chasing a goal in a cup tie - and the modern United centre half was born. Disappointment in the 1976 FA Cup Final, where the image of a tearful Greenhoff being consoled by his manager became an iconic one, was followed by the best season of the players career in 197677. A man of the match performance against Ajax in the UEFA Cup came in a strong start to the season, where he also became a regular at the heart of the defence in the England national team. In the 