In the last 3 full trips through the rotation since the Williams move, the starting rotation has combined for:

93.1 IP, 3.47 ERA, 9 quality starts out of 15 games, averaging 6 IP per start(even better the last 2 trips for a 3.08 ERA and 7 QS out of 10 games)

Meanwhile Dave Williams in AAA has gone 1-2 with a 6.48 ERA