[Unique Skills]
Every player has a unique skill.
You must complete the unique skill objectives of that player in order to upgrade it.
Players with higher unique skill levels will earn a title.

[Player Skills]
Every player has 2 skill slots.
Batters have an attack skill slot and a defense runner skill slot.
Pitchers have skill slots for Throw skills and Ball Control skills.
Each slot is unlocked based on the player’s level-up count.
You can equip skills in an unlocked slot from the list of available skills.
Upgraded players can also equip more skills.
Promoted players can equip higher-level skills.