If he's been 'injured in training', is this why Fielding has been released?
Has he had a little 'parting shot' before he left?
If I were you lot, I wouldn't worry too much about Tomkins minor ....... he can only play if the linebackers, sorry forwards, in front of him are allowed to make holes for him & his mates to run into - shut them down (easier said than done, I know) and they're stumped!