diff --git a/api.md b/api.md
index 566774a..9034c04 100644
--- a/api.md
+++ b/api.md
@@ -70,7 +70,7 @@ Upravuje data týmu
 Zobrazí data týmu  
   
 ## `POST /player`  
-**Params**: `first_name`, `last_name`, `birth_date`, `sex`, `[email]`, `[phone]`, `[gdpr_consent]`, `[nationality_id]`, `[personal_identification_number]`  
+**Params**: `first_name`, `last_name`, `birth_date`, `sex`, `[email]`, `[phone]`, `[gdpr_consent]`, `[nationality_id]`, `[personal_identification_number]`, `[jersey_number]`  
 **Auth**: token  
 Vytvoří nového hráče  
 **`first_name`**: Křestní jméno nového hráče  
@@ -81,10 +81,11 @@ Vytvoří nového hráče
 **`phone`**: Telefon na hráče (nepovinné)  
 **`gdpr_consent`**: Flag zda hráč poskytl souhlas se zpracováním osobních údajů (nepovinné)  
 **`nationality_id`**: ID národnosti hráče (nepovinné)  
-**`personal_identification_number`**: Rodné číslo hráče
+**`personal_identification_number`**: Rodné číslo hráče  
+**`jersey_number`**: Číslo dresu  
   
 ## `POST /player/{id}`  
-**Params**: `[first_name]`, `[last_name]`, `[birth_date]`, `[sex]`, `[email]`, `[phone]`, `[gdpr_consent]`, `[nationality_id]`, `[personal_identification_number]`  
+**Params**: `[first_name]`, `[last_name]`, `[birth_date]`, `[sex]`, `[email]`, `[phone]`, `[gdpr_consent]`, `[nationality_id]`, `[personal_identification_number]`, `[jersey_number]`  
 **Auth**: token, musí být správce týmu  
 Upraví data hráče  
 **`first_name`**: Křestní jméno nového hráče  
@@ -96,6 +97,7 @@ Upraví data hráče
 **`gdpr_consent`**: Flag zda hráč poskytl souhlas se zpracováním osobních údajů (nepovinné)  
 **`nationality_id`**: ID národnosti hráče (nepovinné)  
 **`personal_identification_number`**: Rodné číslo hráče  
+**`jersey_number`**: Číslo dresu  
   
 ## `GET /player/{player_id}`  
 **Auth**: token, musí být správce týmu  
@@ -176,11 +178,12 @@ Změní jméno soupisky pro tým na turnaji
 Odstraní soupisku 
  
 ## `POST /roster/{roster_id}/player/{player_id}`  
-**Params**: `roster_id`, `player_id`, [`role`]  
+**Params**: `roster_id`, `player_id`, [`role`], [`jersey_number`]  
 **Auth**: token, musí být správce soupisek nebo týmu  
 Přidá hráče na soupisku. Kontroluje duplicity - jeden hráč nemůže na stejné soupisce být víckrát se stejnou rolí, stejně. Stejně tak jeden hráč nemůže být na soupisce žádného jiného týmu na stejném turnaji, bez ohledu na role  
 Pro účely vyůčtování se ČALD poplatky počítají pouze pro hráče s rolí "player"  
 **`role`**: role uživatele na soupisce, může být jedna z [player | captain | spirit_captain | medical | coach | other_support ]. Není-li zadáno, je defaultní hodnota "player"  
+**`jersey_number`**: Číslo dresu (není-li vyplněno, vezme jako default číslo z hráčova profilu)  
 
 ## `DELETE /roster/{roster_id}/player/{player_id}`  
 **Params**: `roster_id`, `player_id`, [`role`]  
diff --git a/data/migrations/deploy/00009_adding_numbers_to_players.sql b/data/migrations/deploy/00009_adding_numbers_to_players.sql
new file mode 100644
index 0000000..fe61e52
--- /dev/null
+++ b/data/migrations/deploy/00009_adding_numbers_to_players.sql
@@ -0,0 +1,5 @@
+ALTER TABLE player
+    ADD COLUMN jersey_number int(11);
+    
+ALTER TABLE player_at_roster
+    ADD COLUMN jersey_number int(11);
diff --git a/data/migrations/rollback/00009_removing_numbers_from_players.sql b/data/migrations/rollback/00009_removing_numbers_from_players.sql
new file mode 100644
index 0000000..fae3a4e
--- /dev/null
+++ b/data/migrations/rollback/00009_removing_numbers_from_players.sql
@@ -0,0 +1,5 @@
+ALTER TABLE player_at_roster
+    DROP COLUMN jersey_number;
+    
+ALTER TABLE player
+    DROP COLUMN jersey_number;
diff --git a/src/App/Controller/Player.php b/src/App/Controller/Player.php
index 04247b3..94c5360 100644
--- a/src/App/Controller/Player.php
+++ b/src/App/Controller/Player.php
@@ -26,6 +26,7 @@ public function create(\Slim\Http\Request $request, $response, $args)
         $gdprConsent = trim($request->getParam("gdpr_consent"));
         $nationalityID = trim($request->getParam("nationality_id"));
         $personalIdentificationNumber = trim($request->getParam("personal_identification_number"));
+        $jerseyNumber = trim($request->getParam("jersey_number"));
 
         $user = UserModel::loggedUser($request->getToken());
 
@@ -44,6 +45,9 @@ public function create(\Slim\Http\Request $request, $response, $args)
         if (!empty($personalIdentificationNumber)) {
             $p->setPersonalIdentificationNumber($personalIdentificationNumber);
         }
+        if (!empty($jerseyNumber) && is_numeric($jerseyNumber)) {
+            $p->setJerseyNumber($jerseyNumber);
+        }
         $p->save();
 
         // Render index view
@@ -67,6 +71,7 @@ public function update(\Slim\Http\Request $request, $response, $args)
         $gdprConsent = trim($request->getParam("gdpr_consent"));
         $nationalityID = trim($request->getParam("nationality_id"));
         $personalIdentificationNumber = trim($request->getParam("personal_identification_number"));
+        $jerseyNumber = trim($request->getParam("jersey_number"));
 
         $p = \App\Model\Player::loadById($playerId);
         if (!empty($email)) {
@@ -100,6 +105,9 @@ public function update(\Slim\Http\Request $request, $response, $args)
         if (!empty($personalIdentificationNumber)) {
             $p->setPersonalIdentificationNumber($personalIdentificationNumber);
         }
+        if (!empty($jerseyNumber) && is_numeric($jerseyNumber)) {
+            $p->setJerseyNumber($jerseyNumber);
+        }
 
         $p->save();
 
diff --git a/src/App/Controller/Roster.php b/src/App/Controller/Roster.php
index 1859920..5f588c1 100644
--- a/src/App/Controller/Roster.php
+++ b/src/App/Controller/Roster.php
@@ -67,6 +67,7 @@ public function addPlayer(\App\Request $request, $response, $args)
     {
         list($rosterId, $playerId) = $request->requireParams(['roster_id', 'player_id']);
         $role = trim($request->getParam("role", PlayerAtRoster::DEFAULT_ROLE));
+        $jerseyNumber = trim($request->getParam("jersey_number", null));
         
         $roster = \App\Model\Roster::loadById($rosterId);
         if (!$roster) {
@@ -93,7 +94,7 @@ public function addPlayer(\App\Request $request, $response, $args)
             throw new Http400("Player is already on roster of another team");
         }
         
-        $roster = PlayerAtRoster::create($playerId, $rosterId, $role);
+        $roster = PlayerAtRoster::create($playerId, $rosterId, $role, $jerseyNumber);
         $roster->save();
 
         return $this->container->view->render(
diff --git a/src/App/Model/Player.php b/src/App/Model/Player.php
index 624adef..d7859ce 100644
--- a/src/App/Model/Player.php
+++ b/src/App/Model/Player.php
@@ -24,7 +24,13 @@ class Player extends \App\Model
         self::SEX_FEMALE,
     ];
 
-    protected static $fields = ["id", "first_name", "last_name", "birth_date", "created_at", "email", "phone", "sex", "state", "nationality_id", "gdpr_consent", "personal_identification_number"];
+    protected static $fields = [
+        "id", "first_name", "last_name",
+        "birth_date", "created_at", "email",
+        "phone", "sex", "state",
+        "nationality_id", "gdpr_consent", "personal_identification_number",
+        "jersey_number"
+    ];
 
     public function getFullName()
     {
@@ -35,8 +41,12 @@ public function getHomeTeam()
     {
     }
 
-    public static function create($firstName, $lastName, $sex, $email = null, $birthDate = null, $phone = null, $state = self::STATE_ACTIVE, $nationalityID = null, $gdprConsent = false, $personalIdentificationNumber = null)
-    {
+    public static function create($firstName, $lastName, $sex, $email = null, $birthDate = null, $phone = null, $state = self::STATE_ACTIVE, $nationalityID = null, $gdprConsent = false, $personalIdentificationNumber = null, $jerseyNumber = null)
+    {    
+        if ($jerseyNumber !== null && $jerseyNumber !== "" && (int)$jerseyNumber <= 0) {
+            throw new WrongParam("Jersey number '{$this->getJerseyNumber()}' is not valid - it has to be higher than 0");
+        }
+        
         $i = new self();
         $i->setFirstName($firstName);
         $i->setLastName($lastName);
@@ -49,6 +59,7 @@ public static function create($firstName, $lastName, $sex, $email = null, $birth
         $i->setGdprConsent($gdprConsent);
         $i->setCreatedAt(date("Y-m-d H:i:s", time()));
         $i->setPersonalIdentificationNumber($personalIdentificationNumber);
+        $i->setJerseyNumber($jerseyNumber);
         return $i;
     }
 
diff --git a/src/App/Model/PlayerAtRoster.php b/src/App/Model/PlayerAtRoster.php
index bab6ebb..03dedc3 100644
--- a/src/App/Model/PlayerAtRoster.php
+++ b/src/App/Model/PlayerAtRoster.php
@@ -6,18 +6,25 @@
 
 class PlayerAtRoster extends \App\Model
 {
-    protected static $fields = ["id", "player_id", "roster_id", "role"];
+    protected static $fields = ["id", "player_id", "roster_id", "role", "jersey_number"];
     
     protected static $allowedRoles = ["player", "captain", "spirit_captain", "medical", "coach", "other_support"];
     
     const DEFAULT_ROLE = "player";
 
-    public static function create($playerId, $rosterId, $role = PlayerAtRoster::DEFAULT_ROLE)
+    public static function create($playerId, $rosterId, $role = PlayerAtRoster::DEFAULT_ROLE, $jerseyNumber = null)
     {
         $i = new self();
+        
+        if (empty($jerseyNumber) || !is_numeric($jerseyNumber)) {
+            $player = Player::loadById($playerId);
+            $jerseyNumber = $player->getJerseyNumber();
+        }
+        
         $i->setPlayerId($playerId);
         $i->setRosterId($rosterId);
         $i->setRole($role);
+        $i->setJerseyNumber($jerseyNumber);
         $i->setSince(date("Y-m-d H:i:s", time()));
 
         return $i;
@@ -28,6 +35,9 @@ protected function onSaveValidation()
         if (!in_array($this->getRole(), self::$allowedRoles)) {
             throw new WrongParam("Role {$this->getRole()} does not exist.");
         }
+        if ($this->getJerseyNumber() < 0) {
+            throw new WrongParam("Jersey number '{$this->getJerseyNumber()}' is not valid - it has to be higher than 0");
+        }
         if (self::exists(["player_id" => $this->getPlayerId(), "roster_id" => $this->getRosterId(), "role" => $this->getRole()])) {
             throw new Duplicate("Player is already part of this team with same role");
         }