As ever, our weekly homage to Harper’s magazine.

Giovanni Trapattoni’s career win percentage and win percentage in charge of Ireland: 51.81, 40.63.

Martin O’Neill’s rank of all-time Celtic managers in win percentage with 75.53%: 1.

Martin O’Neill’s total career win percentage, and percentage without his 282 games in charge of Celtic respectively: 51.51, 40.42.

Rank of Cristiano Ronaldo, Zinedine Zidane, Zlatan Ibrahimovic and Kaka in all-time transfer records: 2,3,4,5.

Respective difference in goals scored by Ronaldo, Zidane, Ibrahimovic and Kaka in their debut season from the previous year: +8, +1, -9, -8.

Overall historical win percentage of newly promoted clubs against the Premier League title holders: 10.5%.

Total number of matches since 1992 in which a newly-promoted side defeated the Premier League title holders: 13.

Number of those victories which took place in the first five years of the Premier League’s existence: 8.

Highest number of missed penalties by a single player in one game: 3.

Drop in Boca Juniors’ share price following the match in which Argentinian striker Martin Palermo missed those kicks: 4.5%.

Aggregate percentage increase among four predictive models and one bookie in Liverpool’s chances at a top four table finish since the season started: 11.3%

Aggregate percentage increase for Sunderland’s chances at relegation since the season started: 10.3%.

Average transfer expenditure amount (£) over the last decade for newly-promoted PL clubs which stay up for more than one season: 19,440,261.

Average transfer expenditure for newly-promoted PL clubs that go down after a single season: 10,352,353

Number of yellow cards and red cards respectively handed out in Aston Villa matches since the season started: 20, 1.

Rank of Aston Villa in the Premier League in tackles and fouls per-game, respectively: 5, 2 (tied).

World FIFA ranking of South Korea, who qualified for the 2014 World Cup: 58.

Ranking of North Korea in May 2010, the lowest for any World Cup qualified team in history: 105.

FIFA rank of Canada as of publication: 106.