OK, I'll give my $0.02 - both Choice and Bradshaw have good matchups, while Morris has a less favorable matchup and, let's face it, he's done less. So here's how I see it.
1. Brandon Jacobs healthy, Bradshaw nursing an ankle but will still play through it.
2. Marion Barber III still banged up a bit, Choice is healthy.
So, if I am the coaching staff of NYG, I want to limit Bradshaw's touches a bit, at least more than I would if he were 100%. If I were the DAL coaching staff, I would want to spell MB3 with Choice for the very same reason. Make sense?