That's an interesting one, and it turns out the answer is an England captain: Michael Vaughan played in 82 Tests, but recorded his highest score (197) and his best bowling figures (two for 71) in the same one, against India at Trent Bridge in 2002. Those wickets included a much-replayed classic offbreak to bowl Sachin Tendulkar between bat and pad for 92.
Australia's white-ball captain Aaron Finch moved to the Royal Challengers Bangalore in 2020, and made 12 appearances for them. This followed one match for the Rajasthan Royals in 2010, eight for the Delhi Daredevils (2011-12), 14 for the Pune Warriors (2013), 13 for the Sunrisers Hyderabad (2014), three for the Mumbai Indians (2015), 26 for the Gujarat Lions (2016-17), and ten for the Kings XI Punjab in 2018.
That Test at Trent Bridge in 1997, which featured ten half-centuries but no individual hundred, turns out to be second on this particular list. On top is another England Test, against South Africa in Durban in 1927-28, which had a total of 1272 runs - and 13 half-centuries - but a highest individual score of 90, by Wally Hammond.
Ishan Kishan's 516 runs for champions Mumbai Indians is a new record for an never-capped player in an IPL season. He also topped the 2020 six-hitters' list, with 30. But there is one other man who managed more than 500: Kishan's team-mate Suryakumar Yadav hit 512 runs for Mumbai in 2018, and he hasn't been capped yet either.
Test cricket was over half a century old before there was a match that didn't involve England or Australia. It came in 1931-32, when South Africa travelled to New Zealand after being hammered 5-0 in Australia. The 217th Test match of all started on February 27, 1932, in Christchurch: the South Africans cheered themselves up by winning it by an innings, and won the second Test in Wellington as well, to take the series 2-0. The next Tests not involving England or Australia were not until after the Second World War - in 1948-49, when West Indies toured India.
Steven Lynch is the editor of the updated edition of Wisden on the Ashes