diff --git a/app/models/etf2l_profile.rb b/app/models/etf2l_profile.rb
new file mode 100644
index 000000000..685c954dc
--- /dev/null
+++ b/app/models/etf2l_profile.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+class Etf2lProfile
+  attr_accessor :json
+
+  def initialize(profile_body)
+    @json = JSON.parse(profile_body)
+  end
+
+  def name
+    json.dig('player', 'name')
+  end
+
+  def banned?
+    active_bans.any?
+  end
+
+  def ban_reason
+    return nil if active_bans.none?
+
+    active_bans.map { |b| b['reason'] }.join(', ')
+  end
+
+  def ban_expires_at
+    return nil if active_bans.none?
+
+    active_bans.map { |b| Time.at(b['end']).to_date }.join(', ')
+  end
+
+  def self.fetch(steam_uid)
+    response_body = Etf2lApi.profile(steam_uid)
+    new(response_body) if response_body
+  end
+
+  private
+
+  def active_bans
+    @active_bans ||= begin
+      now = Time.now.to_i
+      bans = json.dig('player', 'bans')
+      if bans&.any?
+        bans.reject { |b| now > b['end'].to_i }
+      else
+        []
+      end
+    end
+  end
+end
diff --git a/app/models/league_ban.rb b/app/models/league_ban.rb
new file mode 100644
index 000000000..837f358f6
--- /dev/null
+++ b/app/models/league_ban.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class LeagueBan
+  def self.fetch(steam_uid)
+    klass = if SITE_HOST == 'serveme.tf'
+              Etf2lProfile
+            elsif SITE_HOST == 'na.serveme.tf'
+              RglProfile
+            end
+
+    return unless klass
+
+    profile = klass.fetch(steam_uid)
+    profile.banned? && profile
+  end
+end
diff --git a/app/models/reservation_player.rb b/app/models/reservation_player.rb
index a8e2d9fe6..ec1ee8ac4 100644
--- a/app/models/reservation_player.rb
+++ b/app/models/reservation_player.rb
@@ -44,6 +44,10 @@ def self.banned_ip?(ip)
     banned_ranges.any? { |range| range.include?(ip) }
   end
 
+  def self.banned_league_uid?(steam_id64)
+    LeagueBan.fetch(steam_id64)&.banned?
+  end
+
   def self.banned_uids
     @banned_uids ||= CSV.read(Rails.root.join('doc', 'banned_steam_ids.csv'), headers: true).to_h { |row| [row['steam_id64'].to_i, row['reason']] }
   end
diff --git a/app/models/rgl_profile.rb b/app/models/rgl_profile.rb
new file mode 100644
index 000000000..a0338dc1f
--- /dev/null
+++ b/app/models/rgl_profile.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+class RglProfile
+  attr_accessor :json
+
+  def initialize(profile_body)
+    @json = JSON.parse(profile_body)
+  end
+
+  def name
+    json['name']
+  end
+
+  def banned?
+    json.dig('status', 'isBanned') == true
+  end
+
+  def ban_reason
+    reason = json.dig('banInformation', 'reason')
+    ActionView::Base.full_sanitizer.sanitize(reason) if reason
+  end
+
+  def ban_expires_at
+    expires_at = json.dig('banInformation', 'endsAt')
+    expires_at && Date.parse(expires_at)
+  end
+
+  def self.fetch(steam_uid)
+    response_body = RglApi.profile(steam_uid)
+    new(response_body) if response_body
+  end
+end
diff --git a/app/services/etf2l_api.rb b/app/services/etf2l_api.rb
new file mode 100644
index 000000000..408c6daed
--- /dev/null
+++ b/app/services/etf2l_api.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class Etf2lApi
+  def self.profile(steam_uid)
+    cached_profile_response(steam_uid) || fetch_profile(steam_uid)
+  end
+
+  def self.cached_profile_response(steam_uid)
+    Rails.cache.read("etf2l_profile_#{steam_uid}")
+  end
+
+  def self.fetch_profile(steam_uid)
+    response = etf2l_connection.get("player/#{steam_uid}")
+    return unless response.success?
+
+    Rails.cache.write("etf2l_profile_#{steam_uid}", response.body, expires_in: 1.day)
+
+    response.body
+  end
+
+  def self.etf2l_connection
+    Faraday.new(url: 'https://api-v2.etf2l.org/')
+  end
+end
diff --git a/app/services/rgl_api.rb b/app/services/rgl_api.rb
new file mode 100644
index 000000000..12339ab45
--- /dev/null
+++ b/app/services/rgl_api.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class RglApi
+  def self.profile(steam_uid)
+    cached_profile_response(steam_uid) || fetch_profile(steam_uid)
+  end
+
+  def self.cached_profile_response(steam_uid)
+    Rails.cache.read("rgl_profile_#{steam_uid}")
+  end
+
+  def self.fetch_profile(steam_uid)
+    response = rgl_connection.get("v0/profile/#{steam_uid}")
+    return unless response.success? || response.status == 404
+
+    Rails.cache.write("rgl_profile_#{steam_uid}", response.body, expires_in: 1.day)
+
+    response.body
+  end
+
+  def self.rgl_connection
+    Faraday.new(url: 'https://api.rgl.gg/')
+  end
+end
diff --git a/app/workers/log_worker.rb b/app/workers/log_worker.rb
index ed2fc062d..8804f6a9a 100644
--- a/app/workers/log_worker.rb
+++ b/app/workers/log_worker.rb
@@ -67,6 +67,8 @@ def handle_connect
     elsif (ReservationPlayer.banned_uid?(community_id) || ReservationPlayer.banned_ip?(ip)) && !ReservationPlayer.whitelisted_uid?(community_id)
       reservation.server.rcon_exec "banid 0 #{event.player.steam_id} kick; addip 0 #{ip}"
       Rails.logger.info "Removed banned player with UID #{community_id}, IP #{event.message}, name #{event.player.name}, from reservation #{reservation_id}"
+    elsif (banned_league_profile = LeagueBan.fetch(community_id))
+      Rails.logger.info "League banned player with UID #{community_id}, IP #{event.message}, name #{event.player.name} connected to reservation #{reservation_id}: #{banned_league_profile.ban_reason}"
     elsif reservation.server.supports_mitigations?
       AllowReservationPlayerWorker.perform_async(rp.id)
     end