[2] As a cricketer, Warren played as a batsman, sometimes used as an opener, but it is not known whether he was right- or left-handed.
[1] He played for Cambridgeshire in two games in 1865, and then in 1866 appeared regularly and with some success for both the county team and the university side, as well as in the important North v South match, one of the big fixtures of the season at the time.
[1] For Cambridge University, he scored 72 batting at No 3 against R. D. Walker's XI and he improved on that by one run in a match two weeks later for Cambridgeshire against Nottinghamshire.
[5] He played unsuccessfully for Cambridgeshire in 1867 and reappeared in a single game for a so-called "England XI" in 1874, also without success.
[2] From 1868, he spent a year as vice-principal of Sheffield Collegiate School, but then was ordained as a Church of England deacon and, in 1870, as a priest.