Paper/nms-patches/ScoreboardTeam.patch

--- a/net/minecraft/server/ScoreboardTeam.java
+++ b/net/minecraft/server/ScoreboardTeam.java
@@ -36,7 +36,7 @@
     }
 
     public String getDisplayName() {
-        return this.d;
+        return this.prefix + this.d + this.suffix; // CraftBukkit
     }
 
     public IChatBaseComponent d() {
@@ -165,4 +165,35 @@
     public EnumChatFormat getColor() {
         return this.k;
     }
+
+    // CraftBukkit start
+    private String prefix;
+    private String suffix;
+
+    public String getPrefix() {
+        return prefix;
+    }
+
+    public void setPrefix(String prefix) {
+        if (prefix == null) {
+            throw new IllegalArgumentException("Prefix cannot be null");
+        }
+
+        this.prefix = prefix;
+        this.a.handleTeamChanged(this);
+    }
+
+    public String getSuffix() {
+        return suffix;
+    }
+
+    public void setSuffix(String suffix) {
+        if (prefix == null) {
+            throw new IllegalArgumentException("Suffix cannot be null");
+        }
+
+        this.suffix = suffix;
+        this.a.handleTeamChanged(this);
+    }
+    // CraftBukkit end
 }