diff --git a/stave/models.py b/stave/models.py
index 6e3bcda..2c78af4 100644
--- a/stave/models.py
+++ b/stave/models.py
@@ -294,6 +294,13 @@ class Subscription(models.Model):
         League, related_name="subscribers", on_delete=models.CASCADE
     )
 
+    class Meta:
+        constraints = [
+            models.UniqueConstraint(
+                fields=["user", "league"], name="unique_subscription"
+            )
+        ]
+
 
 class LeagueTemplate(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
diff --git a/stave/settings/base.py b/stave/settings/base.py
index 7f6a3cd..6a8c4d2 100644
--- a/stave/settings/base.py
+++ b/stave/settings/base.py
@@ -52,6 +52,7 @@
     "django.contrib.sessions",
     "django.contrib.messages",
     "django.contrib.staticfiles",
+    "django_htmx",
     "allauth",
     "allauth.account",
     "allauth.mfa",
@@ -77,6 +78,7 @@
     "django.contrib.messages.middleware.MessageMiddleware",
     "django.middleware.clickjacking.XFrameOptionsMiddleware",
     "allauth.account.middleware.AccountMiddleware",
+    "django_htmx.middleware.HtmxMiddleware",
 ]
 
 # Authentication
diff --git a/stave/templates/base.html b/stave/templates/base.html
index 7981579..7962bd0 100644
--- a/stave/templates/base.html
+++ b/stave/templates/base.html
@@ -1,3 +1,4 @@
+{% load django_htmx %}
 {% load static %}
 {% load meta %}
 <!doctype html>
@@ -12,12 +13,13 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <meta name="color-scheme" content="light dark">
         <title>{% block title %}Stave{% endblock %}</title>
+        {% htmx_script %}
         {% include 'meta/meta.html' %}
         {% block resources %}{% endblock %}
         {% block extra_head %}
         {% endblock extra_head %}
     </head>
-    <body>
+    <body hx-headers='{"x-csrftoken": "{{ csrf_token }}"}'>
     <header class="container">
         <nav>
             <div>
diff --git a/stave/templates/stave/league_detail.html b/stave/templates/stave/league_detail.html
index e427089..d4b5daa 100644
--- a/stave/templates/stave/league_detail.html
+++ b/stave/templates/stave/league_detail.html
@@ -24,7 +24,16 @@
 
 <section>
 <header>
-    <h2>Upcoming Events</h2>
+    <div style="display: flex; flex-direction: row; justify-content: space-between; width: 100%;">
+        <h2>Upcoming Events</h2>
+        <button hx-get="/_/{{ league.slug }}/toggle-subscribed" hx-swap="innerHTML">
+            {% if request.user|is_subscribed_to:league %}
+            Unsubscribe
+            {% else %}
+            Subscribe
+            {% endif %}
+        </button>
+    </div>
     {% if request.user|can_manage_league_events:league %}
     <div class="inline">
     <a role="button" href="{% url 'event-create' league.slug %}">Create Event</a>
diff --git a/stave/templatetags/stave_tags.py b/stave/templatetags/stave_tags.py
index 325f62d..f4d736b 100644
--- a/stave/templatetags/stave_tags.py
+++ b/stave/templatetags/stave_tags.py
@@ -106,6 +106,11 @@ def can_manage_league_events(user: models.User, league: models.League) -> bool:
     return False
 
 
+@register.filter
+def is_subscribed_to(user: models.User, league: models.League) -> bool:
+    return len(user.subscriptions.filter(league=league)) > 0
+
+
 @register.filter
 def can_manage_event(user: models.User, event: models.Event) -> bool:
     if user.is_authenticated:
diff --git a/stave/urls.py b/stave/urls.py
index 4288795..eb6f5c9 100644
--- a/stave/urls.py
+++ b/stave/urls.py
@@ -29,6 +29,11 @@
         "leagues/create/", view=views.LeagueCreateView.as_view(), name="league-create"
     ),
     path("_/<slug:slug>/", view=views.LeagueDetailView.as_view(), name="league-detail"),
+    path(
+        "_/<slug:slug>/toggle-subscribed",
+        view=views.league_toggle_subscribed,
+        name="league-toggle-subscribed",
+    ),
     path(
         "_/<slug:slug>/edit/", view=views.LeagueUpdateView.as_view(), name="league-edit"
     ),
diff --git a/stave/views.py b/stave/views.py
index 7274d5c..c775538 100644
--- a/stave/views.py
+++ b/stave/views.py
@@ -929,6 +929,19 @@ def get_context(self) -> contexts.LeagueDetailViewInputs:
         )
 
 
+def league_toggle_subscribed(request, slug):
+    if request.htmx and models.League.objects.visible(request.user):
+        league = models.League.objects.get(slug=slug)
+        if len(request.user.subscriptions.filter(league=league)) > 0:
+            request.user.subscriptions.filter(league=league).delete()
+            return HttpResponse("Subscribe")
+        else:
+            request.user.subscriptions.create(league=league)
+            return HttpResponse("Unsubscribe")
+    else:
+        return HttpResponseBadRequest("")
+
+
 class LeagueListView(generic.ListView):
     template_name = "stave/league_list.html"
     model = models.League
