Too many injured players

I have 2 players injured every match .. I have now 5 injured players .. 2 of them are injured for 4 days .. please fix that, It's a high injury rate.
Train the toughness of your attackers to avoid injuries.
Also every match you play if one of your player is very low and is far away from 100% fitness put on a player to replace him
Thank you all, I'll try that.