Helene Elliott and I disagree on the definition of "scrimmage"

Led by Coach Terry Murray, the youngsters went through a vigorous, two-hour morning practice that included a lengthy scrimmage.

via Kings' rookie camp begins -- latimes.com.

I was there from 10:00 until about three minutes to noon. There was no scrimmage. But I guess it's possible they started a scrimmage after I left. In which case the problem is with the word "lengthy."