Continuing on the theme of "a picture's worth a thousand words", here are the best and worst performing offensive sides from across the Top 5 European leagues (Premier League, La Liga, Bundesliga, Serie A, and Ligue 1) over the last decade (since the 2001/02 season).
The bars show the average number of goals scored per match; the axes on the two graphs have identical scales so that you can see how much better the very best teams were than the very worst.

Last week it was reported by Bologna F.C. they had signed a striker and none other than youthful journeyman Robert Acquafresca appeared at the player presentation. Arriving from Genoa on a one year loan, terms would include an option to purchase half of his contract on a co-ownership deal by way of a rather circumventive route.