OPS is what’s done at the plate. SB is something that occurs on the base paths.
Long before WAR and WARP and VORP, there was a stat some sportswriter tried to get going called Total Average, which I think did the kind of thing you’re talking about.
https://en.wikipedia.org/wiki/Total_average
It’s downfall was the rather involved calculations, especially given that this was before everyone had computers on their desk, let alone inside their phones,..