diff --git a/cutt/analysis.py b/cutt/analysis.py
index 3b27240..f5524ae 100644
--- a/cutt/analysis.py
+++ b/cutt/analysis.py
@@ -146,6 +146,8 @@ def graph_json(
         for c in session.exec(statement2):
             user = player_map[c.user]
             for i, p_id in enumerate(c.love):
+                if p_id not in player_map:
+                    continue
                 p = player_map[p_id]
                 edges.append(
                     {
@@ -161,6 +163,8 @@ def graph_json(
                     }
                 )
             for p_id in c.hate:
+                if p_id not in player_map:
+                    continue
                 p = player_map[p_id]
                 edges.append(
                     {
@@ -335,6 +339,8 @@ def mvp(
         )
         for r in session.exec(statement2):
             for i, p_id in enumerate(r.mvps):
+                if p_id not in player_map:
+                    continue
                 p = player_map[p_id]
                 ranks[p] = ranks.get(p, []) + [i + 1]