Running back Ahman Green was on the field after signing his contract this morning, but he wasn't wearing his familiar No. 30. That belongs to fullback John Kuhn, so Green was given No. 34.Green didn't do much with the offense during the extended jog-through period to open practice, instead working mostly as a defender on the "look" team. It's far too early to tell what kind of shape Green is in or what kind of impact he could make in the next few weeks.Also, no word yet ...