diff --git a/pybaseball/team_batting.py b/pybaseball/team_batting.py
index 8d8504dd..1ada4121 100644
--- a/pybaseball/team_batting.py
+++ b/pybaseball/team_batting.py
@@ -25,12 +25,16 @@ def team_batting_bref(team: str, start_season: int, end_season: Optional[int]=No
     """
     if start_season is None:
         raise ValueError(
-            "You need to provide at least one season to collect data for. Try team_batting_bref(season) or team_batting_bref(start_season, end_season)."
+            "You need to provide at least one season to collect data for. Try team_batting_bref(team, season) or team_batting_bref(team, start_season, end_season)."
         )
     if end_season is None:
         end_season = start_season
+    if end_season < start_season:
+        raise ValueError(
+            "The end_season cannot be before the start_season."
+        )
 
-    url = "https://www.baseball-reference.com/teams/{}".format(team)
+    url = "https://www.baseball-reference.com/teams/{}".format(team.upper())
 
     raw_data = []
     headings: Optional[List[str]] = None
diff --git a/pybaseball/team_fielding.py b/pybaseball/team_fielding.py
index 7546e5e2..b26897aa 100644
--- a/pybaseball/team_fielding.py
+++ b/pybaseball/team_fielding.py
@@ -28,12 +28,16 @@ def team_fielding_bref(team: str, start_season: int, end_season: Optional[int]=N
     if start_season is None:
         raise ValueError(
             "You need to provide at least one season to collect data for. " +
-            "Try team_fielding_bref(season) or team_fielding_bref(start_season, end_season)."
+            "Try team_fielding_bref(team, season) or team_fielding_bref(team, start_season, end_season)."
         )
     if end_season is None:
         end_season = start_season
+    if end_season < start_season:
+        raise ValueError(
+            "The end_season cannot be before the start_season."
+        )
 
-    url = "https://www.baseball-reference.com/teams/{}".format(team)
+    url = "https://www.baseball-reference.com/teams/{}".format(team.upper())
 
     raw_data = []
     headings: Optional[List[str]] = None
diff --git a/pybaseball/team_pitching.py b/pybaseball/team_pitching.py
index 38ef58c8..acfd68d4 100644
--- a/pybaseball/team_pitching.py
+++ b/pybaseball/team_pitching.py
@@ -25,12 +25,16 @@ def team_pitching_bref(team: str, start_season: int, end_season: Optional[int]=N
     """
     if start_season is None:
         raise ValueError(
-            "You need to provide at least one season to collect data for. Try team_pitching_bref(season) or team_pitching_bref(start_season, end_season)."
+            "You need to provide at least one season to collect data for. Try team_pitching_bref(team, season) or team_pitching_bref(team, start_season, end_season)."
         )
     if end_season is None:
         end_season = start_season
+    if end_season < start_season:
+        raise ValueError(
+            "The end_season cannot be before the start_season."
+        )
 
-    url = "https://www.baseball-reference.com/teams/{}".format(team)
+    url = "https://www.baseball-reference.com/teams/{}".format(team.upper())
 
     raw_data = []
     headings: Optional[List[str]] = None