Keeper league looking to trade up

Keeper draft is coming up around the corner. I have already traded for the first overall and we are drafting 5/2 after the nfl draft. I’m using my first overall on Lamb and would like to trade up into 1.4 1.5 or 1.6

What should I be offering currently I’m think my 1.9 and 2.2 for any of the following would be fair.

It’s a modified keeper league with 8 keepers.

Currently keeping the following

Lamar Jackson
Austin Ekeler
Chris Carson
Aj brown
Michael Gallup
David Montgomery
Rashaad Penny
Ryan Tannehill.