Packers RB coach Alex Van Pelt commented on Eddie Lacy's workload:
Ideally, “if you can do the perfect math,” Van Pelt said, Lacy would handle 20 carries, Starks five and Franklin five. It depends on the situation. If the game is on the line, Lacy “will be the one carrying the ball.”
The Pack isn't ruling out using Johnathan Franklin again at some point this season, due to a different body build than Lacy and James Starks. But, it's pretty clear Lacy is the RB1 in the Packers offense and has a pretty good matchup this week against the Vikings.