Excellent subject!
Lets put a quick plan (just example):
GPP
Monday: hills(max 200m) + alternate between ub & lb* lifting
Tuesday: tempo 1500 + med ball + abs circuit
Wednesday: hills(max 200m) + alternate between ub & lb* lifting
Thursday: tempo 1500 + med ball + abs circuit
Friday: hills(max 200m) + alternate between ub & lb* lifting
Saturday: Therapy
*= If speed is done less than 72h after lb weight, only do a speed/power oriented session
Not sure doing accel right away into GPP would be a good idea If someone have been off for too long (greater than 2 months). Maybe skips followed by light 20m accel or simply starting hills with sub maximal output would be a better idea in my opinion and from there increasing the intensity from week to week.
SPP
Monday: Bounding 3x20m & med ball throw (less than 30), SE 3x200m, UB lifting
Tuesday: Tempo 800m or less, abs circuit
Wednesday: Tempo 1500m or less
Thursday: Accel 4x30m, 3x60m, Bounding and/or Power Skips 3x20m, LB lifting
Friday: Tempo 1500m or less, abs circuit
Saturday: Therapy**
**I am questioning the effect of doing a very intense i-e top speed & accel right away the first training after deep soft tissues therapy. Each of them is a shock If the athletes have trouble spots and you need to come back with a progressive training intensity.