diff --git a/app/routes/admin.sports-seasons.$id.expected-values.server.ts b/app/routes/admin.sports-seasons.$id.expected-values.server.ts
index 5d5a077..7435dcc 100644
--- a/app/routes/admin.sports-seasons.$id.expected-values.server.ts
+++ b/app/routes/admin.sports-seasons.$id.expected-values.server.ts
@@ -40,12 +40,8 @@ const scoringRules = {
 export async function action({ request, params }: Route.ActionArgs) {
   const formData = await request.formData();
 
-  const participantIdsRaw = formData.get("participantIds");
-  if (typeof participantIdsRaw !== "string" || !participantIdsRaw) {
-    return { error: "No participant IDs provided" };
-  }
-
-  const participantIds = participantIdsRaw.split(",").filter(Boolean);
+  const participants = await findParticipantsBySportsSeasonId(params.id);
+  const participantIds = participants.map((p: { id: string }) => p.id);
 
   try {
     const results = await Promise.all(
diff --git a/app/routes/admin.sports-seasons.$id.expected-values.tsx b/app/routes/admin.sports-seasons.$id.expected-values.tsx
index 060a75e..5358883 100644
--- a/app/routes/admin.sports-seasons.$id.expected-values.tsx
+++ b/app/routes/admin.sports-seasons.$id.expected-values.tsx
@@ -30,10 +30,6 @@ export default function ExpectedValuesPage({ loaderData, actionData }: Route.Com
     0
   );
 
-  const participantIds = participants
-    .map((p: { id: string; name: string }) => p.id)
-    .join(",");
-
   return (
     <div className="container mx-auto p-6 space-y-6">
       <div className="flex items-center gap-4">
@@ -85,7 +81,6 @@ export default function ExpectedValuesPage({ loaderData, actionData }: Route.Com
           </div>
 
           <Form method="post">
-            <input type="hidden" name="participantIds" value={participantIds} />
 
             <Table>
               <TableHeader>