diff --git a/app/models/mat.rb b/app/models/mat.rb
index 58ca2b9..7d7bbfe 100644
--- a/app/models/mat.rb
+++ b/app/models/mat.rb
@@ -1,6 +1,6 @@
 class Mat < ApplicationRecord
 	belongs_to :tournament
-	has_many :matches, dependent: :destroy
+	has_many :matches, dependent: :nullify
 	has_many :mat_assignment_rules, dependent: :destroy
 
 	validates :name, presence: true
diff --git a/app/views/layouts/_tournament-navbar.html.erb b/app/views/layouts/_tournament-navbar.html.erb
index df0814c..e56096d 100644
--- a/app/views/layouts/_tournament-navbar.html.erb
+++ b/app/views/layouts/_tournament-navbar.html.erb
@@ -60,7 +60,7 @@
               <li><%= link_to "Create Boys Middle School Weights (80-245)" , "/tournaments/#{@tournament.id}/create_custom_weights?customValue=#{Weight::MS_WEIGHT_CLASSES}",data: { turbo_method: :get, turbo_confirm: 'Are you sure? This will delete all current weights.' } %></li>
               <li><%= link_to "Create Girls Middle School Weights (72-235)" , "/tournaments/#{@tournament.id}/create_custom_weights?customValue=#{Weight::MS_GIRLS_WEIGHT_CLASSES}",data: { turbo_method: :get, turbo_confirm: 'Are you sure? This will delete all current weights.' } %></li>
               <li><strong>Tournament Actions</strong></li>
-              <li><%= link_to "Calculate Team Scores" , "/tournaments/#{@tournament.id}/calculate_team_scores", :method => :put %></li>
+              <li><%= link_to "Calculate Team Scores" , "/tournaments/#{@tournament.id}/calculate_team_scores", data: { turbo_method: :put } %></li>
               <li><%= link_to "Generate Brackets" , "/tournaments/#{@tournament.id}/generate_matches", data: { turbo_method: :get, turbo_confirm: 'Are you sure? This will delete all current matches.' } %></li>
               <li><%= link_to "Export Data" , "/tournaments/#{@tournament.id}/export?print=true", target: :_blank %></li>
             </ul>
diff --git a/app/views/tournament_backups/index.html.erb b/app/views/tournament_backups/index.html.erb
index dedf592..1b496f8 100644
--- a/app/views/tournament_backups/index.html.erb
+++ b/app/views/tournament_backups/index.html.erb
@@ -34,5 +34,5 @@ and will also delete all of your current data. It's best to use the create backu
     <%= f.label 'Import text' %><br>
     <%= f.text_area :import_text, cols: "30", rows: "20" %>
   </div>
-  <%= submit_tag "Import", class: "btn btn-success", data: { confirm: 'Are you sure? This will delete everything for the current tournament and restore it with the backup text pasted below.' } %>
+  <%= submit_tag "Import", class: "btn btn-success", data: { turbo_confirm: 'Are you sure? This will delete everything for the current tournament and restore it with the backup text pasted below.' } %>
 <% end %>