It sounds to me like the trial is taking place during the season for sure. The ? is will he be able to play while it's going on a la Kobe. I believe Billick said he doesn't like the idea of him not practicing and playing in the games. I drafted Lewis expecting him to miss at least 2 weeks.
"Sometime during the Pats game last week, I decided that Tomlinson was the best overall running back of my lifetime. There's nothing he can't do: deadly receiver, tough inside runner, explosive to the outside, you name it." - ESPN's Bill Simmons