This and the next category - left-handed starters, surprise, surprise! - are likely to be a bit contentious. I’d say no position in baseball has changed more over history than pitching, in terms of what was demanded from it. In the “old days”, a complete game from a pitcher was almost expected. Before 1905, more than 80% of starts in the National League went the distance every season. Last year, just 1.2% did. But the effort involved has gone the other way, with pitchers nowadays having much greater velocity and striking out batters at a far higher rate. Let illustrate that point with a fun fact.