On the season, Darren Collison has 82 assists and 33 turnovers.
That ratio is (getting out the calculator) 2.5 - 1. Which is very good.
Since the loss to Texas (we've won nine straight), he has 53 assists and 10 turnovers. That ratio is 5.3 - 1, which is great.
In his last five games, he has 36 assists and 5 turnovers (exactly 1 each game). That's 7.2 - 1, which is off the charts.
Considering how many minutes he's playing, so few turnovers is incredible.