Springer and Pritchard seem like the only tradeable assets at this point in time. I would not trade Pritchard unless one of two things happen (or both I guess are possible):
1. We sign a vet PG/Combo G that is better than Pritchard
2. Springer emerges and beats out Pritchard
Pritchard's limitations were exposed by DAL. He could not be counted on to cover Luka or Kyrie and pretty much stopped making shots, outside of the last 3 seconds of the half. But overall, Pritchard had a very solid season. I have a feeling that we don't trade Pritchard in the off season. Maybe at the trade deadline and only after Springer and/or some vet FA guard have clearly established that they can fill the role better than Pritchard.
As to Springer, I doubt he has much trade value, even with a first attached. I would trade him for someone like Wood, as was suggested above, rather have a big prospect than a guard prospect, but it seems unlikely.