As the kick-off was dropping into Jacoby Jones’ hands deep in his end zone, every Baltimore Ravens fan in the stadium and Dallas Cowboy on the pitch expected him to take a knee.

THERE was a time when the left tackle on an American football team was just another anonymous giant. Now they’re among the top earners on most NFL teams. Acclaimed author Michael Lewis found out why in a fascinating new book, but discovered an incredible story along the way. Michael Moynihan reports.