When you pick players for reasonable ability in two disciplines, that affects your ability to win Test matches.
From Jennings' breakthrough to Duckett's demise, ESPNcricinfo runs the rule over England's players during their 4-0 series loss in India.
Ravindra Jadeja produced a match-winning spell, by claiming seven wickets for the first time in a Test innings, to help India thrash England by an innings and 75 runs in the fifth and final Test
Perhaps it was fitting that a year that has been characterised by England's "positive" style of play ended with a defeat brought about by reckless batting.
Alastair Cook has said that the ECB needs to give serious consideration to employing a full-time spin-bowling coach for the national side after the punishment inflicted on the England attack.
No. of bigger first inns totals that have resulted in an innings defeat, than England's 477. The previous biggest was 432 by Eng at The Oval in Ashes 2001.
No. of five-wkt hauls for Jadeja in this series, before this. He has taken a five-for in this innings.
No. of times Jadeja has dismissed Cook in Tests - most a bowler has dismissed Cook in any series. Cook averaged just 12.50 runs in the series v Jadeja
No. of times Cook has been dismissed by Jadeja in this series at an average of 12.20. Kohli introduced him after 19 overs in the morning session.
Cook's score when he was dropped by Parthiv off Ashwin. He has made 1101 runs at 52.42 on day five of Tests - more than anyone since his debut.
No. of scores of 200-plus by India batsmen at No. 5 or lower in Tests before Karun Nair. Dhoni and Laxman are the others to do it.
No. of times India have posted a total of 400-plus in this series after losing the toss. No other team has done it more than thrice in a series.
The highest 1st-inns deficit overcome by India in Tests against England before this - in Delhi, 1981-82. Overall 477 is their 7th highest against any team.
No. of IND batsmen to make 100s in this series - equals their most. Last such instance was against West Indies at home in 1978-79. Overall, 4th such instance.