We've no idea what Henderson's demands are. If it is to play every week on a £200k salary than he's best avoided, agreed. I doubt that's the case, but we've no way of knowing until we see what his involvement is in Brentford.
We've got some players who've had some highs and lows yeah. Players who've played under the likes of Lee Johnson, Phil Parkinson and Michael Beale and played in the Checkatrade Trophy final. Theres a huge difference to that and what Henderson brings. Hence why Brentford are interested.
We need a squad too and if Neil, Rigg or even Diarra or Sadiki are struggling or injured, having a reliable older head to call upon would be ideal. When we get to december we've got Rigg, Neil, Le Fee and Jones (as it stands at least) to take on Leeds, Spurs, City and probably Brentford. A free transfer of the standard of Henderson would be very handy at that time. If we have someone else lined up, great.