The best you can do is to use a defender as GK and AM as ST, I'd prefer DC and AMC respectively. You'll be playing a type of 4-5-1 or 3-6-1, though. Do you have red packs? How long are your players out for?
GKs injured around 10 days, and 6 days for the STs . My red pack is only 3, not enough to recover 1 day for injury . I also did as ur tip on the last match in which I lost 0-5, hic. I'm going crazy now...