You may want to look at changing formation, your back four have no protect and if they are struggling, they could use the extra help. Maybe a Anchorman, Defence Midfielder or possibly Deep Lying Playmaker depending on your teams playing style. Are you getting the most out of your players? It...
You'll have to post your team, tactical & player info so we can try to see where you're going wrong. To be honest I'm still playing FM 2012 but will be more than happy to try and help you out.