diff --git a/backend/src/infrastructure/database/migrations/0005_add_league_sport.ts b/backend/src/infrastructure/database/migrations/0005_add_league_sport.ts
new file mode 100644
index 0000000..62ef36d
--- /dev/null
+++ b/backend/src/infrastructure/database/migrations/0005_add_league_sport.ts
@@ -0,0 +1,77 @@
+import { Kysely, sql } from 'kysely';
+
+const TABLE = 'league';
+const CHECK_NAME = 'ck_league_sport';
+
+export async function up(db: Kysely<any>): Promise<void> {
+    const engine = process.env.DB_ENGINE ?? 'sqlite';
+
+    if (engine === 'sqlite') {
+        // 1) Create new table with sport + CHECK constraint
+        await sql`
+      CREATE TABLE league_new (
+        league_id TEXT PRIMARY KEY,
+        name TEXT NOT NULL,
+        sport TEXT NOT NULL DEFAULT 'NFL' CHECK (sport IN ('NFL','GOLF')),
+        created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+      )
+    `.execute(db);
+
+        // 2) Copy existing data (sport will take DEFAULT 'NFL')
+        await sql`
+      INSERT INTO league_new (league_id, name, created_at)
+      SELECT league_id, name, created_at
+      FROM ${sql.table(TABLE)}
+    `.execute(db);
+
+        // 3) Swap tables
+        await sql`DROP TABLE ${sql.table(TABLE)}`.execute(db);
+        await sql`ALTER TABLE league_new RENAME TO ${sql.table(TABLE)}`.execute(db);
+    } else if (engine === 'postgres') {
+        await db.schema
+            .alterTable(TABLE)
+            .addColumn('sport', 'text', (col) => col.notNull().defaultTo('NFL'))
+            .execute();
+
+        await sql`
+            ALTER TABLE ${sql.table(TABLE)}
+                ADD CONSTRAINT ${sql.raw(CHECK_NAME)}
+                    CHECK (sport IN ('NFL','GOLF'))
+        `.execute(db);
+    } else {
+        throw new Error(`Unsupported DB_ENGINE: ${engine}`);
+    }
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+    const engine = process.env.DB_ENGINE ?? 'sqlite';
+
+    if (engine === 'sqlite') {
+        // Recreate original schema without sport
+        await sql`
+      CREATE TABLE league_new (
+        league_id TEXT PRIMARY KEY,
+        name TEXT NOT NULL,
+        created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+      )
+    `.execute(db);
+
+        await sql`
+            INSERT INTO league_new (league_id, name, created_at)
+            SELECT league_id, name, created_at
+            FROM ${sql.table(TABLE)}
+        `.execute(db);
+
+        await sql`DROP TABLE ${sql.table(TABLE)}`.execute(db);
+        await sql`ALTER TABLE league_new RENAME TO ${sql.table(TABLE)}`.execute(db);
+    } else if (engine === 'postgres') {
+        await sql`
+            ALTER TABLE ${sql.table(TABLE)}
+            DROP CONSTRAINT IF EXISTS ${sql.raw(CHECK_NAME)}
+        `.execute(db);
+
+        await db.schema.alterTable(TABLE).dropColumn('sport').execute();
+    } else {
+        throw new Error(`Unsupported DB_ENGINE: ${engine}`);
+    }
+}
diff --git a/backend/src/leagues/entities/league.entity.ts b/backend/src/leagues/entities/league.entity.ts
index 8711b1a..43af77e 100644
--- a/backend/src/leagues/entities/league.entity.ts
+++ b/backend/src/leagues/entities/league.entity.ts
@@ -4,6 +4,7 @@ import { Selectable } from 'kysely';
 export interface ILeague {
   leagueId: string & tags.Format<'uuid'>;
   name: string;
+  sport: string;
 }
 
 export type League = Selectable<ILeague>;
diff --git a/backend/src/leagues/leagues.repository.ts b/backend/src/leagues/leagues.repository.ts
index 9aaac74..e3a3db7 100644
--- a/backend/src/leagues/leagues.repository.ts
+++ b/backend/src/leagues/leagues.repository.ts
@@ -49,6 +49,7 @@ export class DatabaseLeaguesRepository extends LeaguesRepository {
       .values({
         leagueId: crypto.randomUUID(),
         name: league.name,
+        sport: league.sport,
       })
       .returningAll()
       .executeTakeFirstOrThrow();
diff --git a/frontend/src/components/dashboard.js b/frontend/src/components/dashboard.js
index 210e190..73b2cd1 100644
--- a/frontend/src/components/dashboard.js
+++ b/frontend/src/components/dashboard.js
@@ -11,6 +11,7 @@ const Dashboard = () => {
   const [user, setUser] = useState(null);
   const [leagues, setLeagues] = useState([]);
   const [newLeague, setNewLeague] = useState("");
+  const [leagueSport, setLeagueSport] = useState("NFL");
   const [joinCode, setJoinCode] = useState("");
   const [showCreateForm, setShowCreateForm] = useState(false);
   const [showJoinForm, setShowJoinForm] = useState(false);
@@ -90,6 +91,7 @@ const Dashboard = () => {
   // Wire create league to backend leagues endpoints.
   const addLeague = async () => {
     const name = newLeague.trim();
+    const sport = leagueSport;
     if (!name) return;
     console.log(user);
     const userId = user && (user.id || user.userId);
@@ -106,7 +108,7 @@ const Dashboard = () => {
         method: "POST",
         headers: {"Content-Type": "application/json"},
         credentials: "include",
-        body: JSON.stringify({name}),
+        body: JSON.stringify({name: name, sport: sport}),
       });
 
       if (!createRes.ok) {
@@ -269,6 +271,7 @@ const Dashboard = () => {
             <p className="font-semibold">
               {league.name || league.leagueName || "Unnamed League"}
             </p>
+              <p>{league.sport}</p>
             <p>{role === "admin" ? "Admin" : role}</p>
             <button
               className="px-3 py-1 font-bold text-[#102131] bg-[#00ceb8] rounded hover:bg-[#00ceb8]/80"
@@ -297,22 +300,29 @@ const Dashboard = () => {
         </button>
       </div>
 
-      {showCreateForm && (
-        <div className="flex mt-4 space-x-2">
-          <input
-            className="flex-1 p-2 bg-transparent border rounded border-[#3a465b]"
-            placeholder="Enter League Name..."
-            value={newLeague}
-            onChange={(e) => setNewLeague(e.target.value)}
-          />
-          <button
-            className="btn-primary"
-            onClick={addLeague}
-          >
-            Submit
-          </button>
-        </div>
-      )}
+        {showCreateForm && (
+            <div className="flex mt-4 space-x-2">
+                <input
+                    className="flex-1 p-2 bg-transparent border rounded border-[#3a465b]"
+                    placeholder="Enter League Name..."
+                    value={newLeague}
+                    onChange={(e) => setNewLeague(e.target.value)}
+                />
+
+                <select
+                    className="p-2 bg-transparent border rounded border-[#3a465b]"
+                    value={leagueSport}
+                    onChange={(e) => setLeagueSport(e.target.value)}
+                >
+                    <option value="NFL">NFL</option>
+                    <option value="GOLF">GOLF</option>
+                </select>
+
+                <button className="btn-primary" onClick={addLeague}>
+                    Submit
+                </button>
+            </div>
+        )}
 
       {showJoinForm && (
         <div className="flex mt-4 space-x-2">