This weekend rookie camp...

[joecrisp]

You'll find your answer later in the same article:

Originally Posted by Washington Post

Gibbs has said he expects close to 70 players, including others who went undrafted, at the camp along with Washington's six draft picks. "We will have everybody here for the indoctrination program," Gibbs said.

Wow. Indoctrination? Gibbs makes it sound like some kind of brainwashing session. Try "orientation", Coach, it's a little more innocuous and corporate-sounding.