John Barton "Jack" Grimwood, was an English footballer who played as a half-back, he joined Manchester United in May 1919, and made his debut for the club in the first Manchester derby, on which date?
Manchester derby The Manchester derby refers to football matches between Manchester City and Manchester United, first contested in 1881. Manchester City play at the Etihad Stadium, while Manchester United play at Old Trafford. The teams have played 174 matches in all competitions, United winning 72, City 50, and the remaining 52 having been drawn.
1920 FA Cup Final The 1920 FA Cup Final, the first since the end of the First World War, was contested by Aston Villa and Huddersfield at Stamford Bridge. Aston Villa won 1–0, with the goal coming in extra time from Billy Kirton, to clinch the trophy for a record sixth time. This was the first ever F.A. Cup Final to require extra time to be played.