[3] He played in two of the five Test matches, with the worst debut bowling performance in Test cricket, taking no wickets but conceding 142 runs, a record which stood until 2009 when Australian Bryce McGain went wicketless while conceding 149 runs against South Africa.

In those two matches, he conceded 281 runs, the worst bowling figures of any Test cricketer in history until the record was surpassed in 1985 by Sri Lanka's Roger Wijesuriya.

"[6] John in fact in these two Tests took one for 281, which caused a few of us thereafter childishly to hum in his presence the Ancient and Modern Hymn number 281, 'Lead us Heavenly Father, lead us', with emphasis on the lines "Lone and Dreary, Faint and Weary, Through the Desert thou did'st go."

[9] He attended Ealing Grammar School for Boys before four years of national service in the Fleet Air Arm.

[9] Warr became a popular after-dinner speaker and was asked to become Australia's Board of Control's representative in England after one such appearance, a position he held until 1987.