For whatever it's worth, modern pitching doesn't appear to have helped my team's errors. Everyone is either on pace to match or beat their performance histories.
The worst offenders: '06 VMart averages 4 errors over 111 games, he has logged 10 in just 105. And of course '08 Nap Lajoie has eased off his blistering pace, but still has 20 errors over 105 games, he goes for 22 over 160 games on his performance history.
Everyone else is either right on or just slightly over. I think Pete Ward and Billy North are the only ones to ever play at less than 100%