The 'free' player is a totally useless trainer.

As acquired:

Click image for larger version.  Name: DR Mikhail Nemov FS.jpg  Views: 135  Size: 69.8 KB  ID: 88969

One season later - he's played 47 matches and trained very day. He's only gone up 3%?!?!?!?!

Click image for larger version.  Name: DR Mikhail Nemov 47M.jpg  Views: 133  Size: 69.3 KB  ID: 88970