What we learned: Week 4

Here's what we learned from Stanford's 42-28 win over Arizona State:

First two games meaningless: The Cardinal's wins against San Jose State and Army to open the year didn't register high in terms of the "wow factor," but that was partially by design. In building a 29-0 first-half lead against Arizona State, Stanford's full potential was unleashed for the first time. It still used some eight-linemen formations, but there were more looks from the shotgun and QB Kevin Hogan's license to run was renewed (five carries, 46 yards).

Anthony Wilkerson a factor: He went largely unused over the first two weeks, but it was obvious the coaching staff made a point to keep him involved against the Sun Devils. Wilkerson showed flashes of brilliance -- four carries, 41 yards in the second quarter -- but was bottled up after halftime and finished with 68 yards on 18 carries. It'll be interesting to see how his role evolves: Does Tyler Gaffney emerge as the clear No. 1 or was the ASU game a sign of what's to come?

FB Hewitt will ease back in: Arguably one of Stanford's most important weapons coming into the season, FB Ryan Hewitt has yet to show he's completely recovered from a nagging ankle injury. He played sparingly against Arizona State (one catch, zero yards), which represents a significant void in the Stanford offense.