Really were not hurting that much. We need another post player so we will always have two bigs in the game. Horston played guard but served as a big for rebounding. If you have two bigs and Rickea your going to be fine on the boards.
I'm interested to see what our defensive rebounding looks like next year. It's the first year of the Harper era that's not also the Horston era. It always seemed to me the strategy was to have everyone else box out, and have Horston use her superior leaping ability to swoop in for the rebound, then catalyze the fast break/quick scoring opportunities (rather than have a post player rebound and have to find your lead guard). Iowa does the same thing with Caitlin Clark. So I don't think it's fair what a certain poster said about Key being a "bad defensive rebounder" - that hasn't really been her job.
Last year, our top 3 defensive rebounders were Horston, Jackson, and Walker; those three were above our post players. Does Jackson take that role now? It would probably help her growth for the WNBA to take on that type of role and continue to improve her handles. And as someone else mentioned, Spear has the athleticism and potential to be a solid rebounder, too.