From Hattrick

Player Specialties

Some of the players in Hattrick have specialties that differentiate them from other players. A player may have only one specialty, and no more.

The five specialties are

All specialties may result in a special event during a match, some giving a scoring chance and some giving improved performance due to weather. Some of the events that lead to a scoring chance are influenced by opposition players, sometimes leading to "game-planning" (as in using a technical player against a head defender, or matching a quick defender against a quick attacker).