 In the 1881 season Docker played a first-class match for Derbyshire against Yorkshire which was drawn.He also played a match in the 1882 season against Sussex where he scored 25 in his first innings but Derbyshire lost by a few runs.From 1884 to 1886 he played a few games for Warwickshire, two games for Gentlemen of Warwick in 1887 and 1888 and one game again for Warwickshire in 1889.