I don't know that this is the best comparison to make. Martinez did that against inferior teams, while Locker has had rushing success against some of the best teams in the country, even as a freshmen as you can see here:
http://www.youtube.com/watch?v=BMfiq9CXss8&feature=related
Sorry, I sometimes forget that Washington has been so bad in recent years that the cupcakes they have played presented a real challenge and Locker couldn't pad the stats against them.