Wait, so it was mandatory?

From Alyson Footer's article on Tejada's own "I'm not here to talk about the past" moment:

During a mandatory team meeting prior to practice on Tuesday morning, Miguel Tejada stood up and apologized to his Astros teammates for the distraction he has caused through his involvement with the ongoing performance-enhancing drug controversy.

So it's not mandatory that position players arrive before Sunday, but there's a mandatory team meeting on Tuesday? Carlos Lee's bull has some explaining to do...