Through passes

Improves the passing ability of your central defenders, wingbacks, inner midfielders and wingers. This done by about 1% of the managers. Note that short passes also trains the passing skill, for different players.

Pros

- You can train up to 20 players by using 4-5-1, 5-4-1, or even 5-5-0 formations.

- It trains all players except goalkeepers and forwards.

- Suitable for teams who train defenders and midfielders.

Cons

- Relatively slow training rate.

- Trains only Secondary Skill, Passing which is non-profitable.

- Not obvious performance improvement in league or friendly games.