To answer the topic:
Mental (Mental attributes)
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Adaptability (0-20) - How quickly he settles into a new country and learns
the language, allowing him to be happy.
Ambition (0-20) - Determines his drive to win trophies at the club.
Determination (0-20) - His determination to be the best he can be.
Loyalty (0-20) - His Loyalty to the club.
Pressure (0-20) - His ability to handle the pressures of football and media.
Profesionalism (0-20) - Determines his conduct at the club.
Sortsmanship (0-20) - Determies whether he is a sportman or not.
Temperement (0-20) - Determines how well he keeps his temper.
Player (Player attributes)
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All these are rated 0-20.
Acceleration - How quickly he can reach his top speed from a standing start.
Aggression - How aggressive he is whilst playing.
Agility - His ability to get back up when knocked over or when diving for
the ball.
Anticipation - His ability for reading passes and situations before they've
happened so he can be in the right place at the right time.
Balance - How well he stays on his feet when challenged.
Bravery - How brave he is during play. How likely he is to put himself on the
line in an attempt to win the ball.
Consistency - How consistent his performances are.
Corners - His ability for taking corners.
Crossing - How likely he is to provide the perfect cross.
Decisions - How likely he is to make the right decision when passing the ball
to a player.
Dirtiness - How dirty a player he is. How likely he is to foul someone.
Dribbling - How good he is at running with the ball.
Finishing - How likely he is to provide an accurate shot on goal.
Flair - How likely he is to perform something out of the ordinary.
Free Kicks - His chances of taking the perfect free kick.
Handling - How good he is at catching and handling the ball. - GK's only
Heading - How likely he is to provide an accurate header.
Important matches - How likely he is to perform well in derby matches etc.
Injury proneness - How likely he is to get injured.
Jumping - How good he can jump to get up there for the ball.
Leadership - His ability at leading other players and inspiring them to win.
Left foot - How comfortable he is using his left foot.
Long shots - How likely he is to provide an accurate shot from distance.
Marking - His ability to follow a player and keep up with his runs.
Movement - His ability to consistently take up good attacking positions.
Natural fitness - How well he recovers stamina from match to match.
One on ones - How well he performs in a one on one situation. [**Valid for gk's and outfield players**]
Pace - His top speed.
Passing - How likely he is to provide an accurate pass.
Penalties - How good he is at taking penalties.
Positioning - How well he keeps defensive positions.
Reflexes - His ability to make last gasp reflex saves. - GK's only
Right foot - How comfortable he is with his right foot.
Stamina - How well his fitness keeps during matches.
Strength - How strong he is physically.
Tackling - His ability to make a successful tackle.
Technique - His ball control ability.
Throw ins - His ability to provide an accurate throw in.
Versatility - How well he plays if forced to play out of position.
Vision - His ability to see players in spaces and making runs.
Work rate - How hard he works during the match.