Free Throws

A general assumption in the sports world is that athletes get better over time. Sprinters get faster, hitters hit more home runs, quarterbacks throw fewer interceptions, etc. And yet, there's one sports statistic that has refused to budge: the percentage of free-throws made in the NBA. Here's the NY Times, via Kottke:

The consistency of free-throw percentages stands out when contrasted with field-goal shooting over all. In men's college basketball, field-goal percentage was below 40 percent unt