Darby needs to spend all summer watching film on Becky Hammon's game and working on developing a similar style. Hammon proved you don't have to have quick foot speed to be an effective player.
This is unrealistic for Tess. While Becky may not have been overly quick she was only 5’6” and had impeccable handles. No way Darby can develop handles like that. Just a lot different when you’re 6’1”.