diff --git a/sql/batting.sql b/sql/batting.sql
index ffa5370..1e76270 100644
--- a/sql/batting.sql
+++ b/sql/batting.sql
@@ -13,6 +13,18 @@ alter table batting drop column "teamID";
 delete from batting
 where playerid = 'smithbu01' and yearid = 1911;
 
+update batting
+set
+	RBI = nullif(RBI,''),
+	SB = nullif(SB,''),
+	CS = nullif(CS,''),
+	SO = nullif(SO,''),
+	IBB = nullif(IBB,''),
+	HBP = nullif(HBP,''),
+	SH = nullif(SH,''),
+	SF = nullif(SF,''),
+	GIDP = nullif(GIDP,'');
+
 CREATE TABLE IF NOT EXISTS main."batting" (
 	"player"	TEXT,
 	"year"	NUMERIC,
@@ -20,20 +32,20 @@ CREATE TABLE IF NOT EXISTS main."batting" (
 	"G"	NUMERIC,
 	"AB"	NUMERIC,
 	"R"	NUMERIC,
-	"H"	NUMERIC,
-	"2B"	NUMERIC,
-	"3B"	NUMERIC,
-	"HR"	NUMERIC,
+	"H"	NUMERIC	check (H <= AB),
+	"2B"	NUMERIC	check ("2B" <= H),
+	"3B"	NUMERIC	check ("3B" <= H),
+	"HR"	NUMERIC	check ("HR" <= H),
 	"RBI"	NUMERIC,
 	"SB"	NUMERIC,
 	"CS"	NUMERIC,
 	"BB"	NUMERIC,
-	"SO"	NUMERIC,
-	"IBB"	NUMERIC,
+	"SO"	NUMERIC	check (SO <= AB),
+	"IBB"	NUMERIC	check (IBB <= BB),
 	"HBP"	NUMERIC,
 	"SH"	NUMERIC,
 	"SF"	NUMERIC,
-	"GIDP"	NUMERIC,
+	"GIDP"	NUMERIC	check (GIDP <= AB),
 	PRIMARY KEY("player","year","stint"),
 	foreign key("year","player","stint") references "playerstints"("year","player","stint")
 );
diff --git a/sql/battingpost.sql b/sql/battingpost.sql
index 61335dc..d029989 100644
--- a/sql/battingpost.sql
+++ b/sql/battingpost.sql
@@ -9,6 +9,18 @@ select * from "raw".battingpost;
 alter table battingpost drop column "lgID";
 alter table battingpost drop column "teamID";
 
+update battingpost
+set
+	RBI = nullif(RBI,''),
+	SB = nullif(SB,''),
+	CS = nullif(CS,''),
+	SO = nullif(SO,''),
+	IBB = nullif(IBB,''),
+	HBP = nullif(HBP,''),
+	SH = nullif(SH,''),
+	SF = nullif(SF,''),
+	GIDP = nullif(GIDP,'');
+
 CREATE TABLE IF NOT EXISTS main."battingpost" (
 	"year"	NUMERIC,
 	"round"	NUMERIC,
@@ -16,20 +28,20 @@ CREATE TABLE IF NOT EXISTS main."battingpost" (
 	"G"	NUMERIC,
 	"AB"	NUMERIC,
 	"R"	NUMERIC,
-	"H"	NUMERIC,
-	"2B"	NUMERIC,
-	"3B"	NUMERIC,
-	"HR"	NUMERIC,
+	"H"	NUMERIC	check (H <= AB),
+	"2B"	NUMERIC	check ("2B" <= H),
+	"3B"	NUMERIC check ("3B" <= H),
+	"HR"	NUMERIC	check ("HR" <= H),
 	"RBI"	NUMERIC,
 	"SB"	NUMERIC,
 	"CS"	NUMERIC,
 	"BB"	NUMERIC,
-	"SO"	NUMERIC,
-	"IBB"	NUMERIC,
+	"SO"	NUMERIC	check (SO <= AB),
+	"IBB"	NUMERIC	check (IBB <= BB),
 	"HBP"	NUMERIC,
 	"SH"	NUMERIC,
 	"SF"	NUMERIC,
-	"GIDP"	NUMERIC,
+	"GIDP"	NUMERIC	check (GIDP <= AB),
 	PRIMARY KEY("year","player","round"),
 	foreign key("player","year") references "appearancespost"("player","year"),
 	foreign key("year","round") references "seriespost"("year","round")
diff --git a/sql/teamseasons.sql b/sql/teamseasons.sql
index 1450c9c..267b0ca 100644
--- a/sql/teamseasons.sql
+++ b/sql/teamseasons.sql
@@ -14,21 +14,64 @@ update teamseasons
 set teamid = 'PHP'
 where teamid = 'PH4' and franchid = 'PHQ';
 
+-- set game totals from bbref
 update teamseasons
-set divwin = null
-where divwin = '';
+set G = 160
+where yearid = 1979 and teamid = 'CHA';
 
 update teamseasons
-set wcwin = null
-where wcwin = '';
+set G = 161
+where yearid = 1979 and teamid = 'DET';
 
 update teamseasons
-set lgwin = null
-where lgwin = '';
+set G = 132
+where yearid = 1897 and teamid = 'CL4';
 
 update teamseasons
-set wswin = null
-where wswin = '';
+set G = 155
+where yearid = 1892 and teamid = 'PIT';
+
+update teamseasons
+set G = 18
+where yearid = 1884 and teamid = 'WIL';
+
+update teamseasons
+set G = 105
+where yearid = 1884 and teamid = 'CNU';
+
+update teamseasons
+set G = 80
+where yearid = 1882 and teamid = 'SL4';
+
+update teamseasons
+set G = 80
+where yearid = 1882 and teamid = 'LS2';
+
+update teamseasons
+set
+	G = nullif(G, ''),
+	Ghome = nullif(Ghome, ''),
+	W = nullif(W, ''),
+	L = nullif(L, ''),
+	divwin = nullif(divwin,''),
+	wcwin = nullif(wcwin,''),
+	lgwin = nullif(lgwin,''),
+	wswin = nullif(wswin,''),
+	CG = nullif(CG, ''),
+	SHO = nullif(SHO, ''),
+	SV = nullif(SV, ''),
+	IPouts = nullif(IPouts, ''),
+	H = nullif(H, ''),
+	"2B" = nullif("2B", ''),
+	"3B" = nullif("3B", ''),
+	HR = nullif(HR, ''),
+	ER = nullif(ER, ''),
+	HR = nullif(HR, ''),
+	BB = nullif(BB, ''),
+	SO = nullif(SO, ''),
+	HBP = nullif(HBP, ''),
+	R = nullif(R, ''),
+	SF = nullif(SF, '');
 
 alter table "teamseasons" drop column "franchID";
 
@@ -38,39 +81,39 @@ create table if not exists main."teamseasons" (
 	"team"	TEXT,
 	"division"	TEXT,
 	"Rank"	NUMERIC,
-	"G"	NUMERIC,
-	"Ghome"	NUMERIC,
-	"W"	NUMERIC,
-	"L"	NUMERIC,
-	"DivWin"	NUMERIC,
-	"WCWin"	NUMERIC,
-	"LgWin"	NUMERIC,
-	"WSWin"	NUMERIC,
+	"G"	NUMERIC	check (W + L <= G),
+	"Ghome"	NUMERIC	check (GHome <= G),
+	"W"	NUMERIC	check (W <= G),
+	"L"	NUMERIC	check (L <= G),
+	"DivWin"	NUMERIC	check (divwin in ('Y','N')),
+	"WCWin"	NUMERIC	check (wcwin in ('Y','N')),
+	"LgWin"	NUMERIC	check (lgwin in ('Y','N')),
+	"WSWin"	NUMERIC	check (wswin in ('Y','N')),
 	"R"	NUMERIC,
 	"AB"	NUMERIC,
-	"H"	NUMERIC,
-	"2B"	NUMERIC,
-	"3B"	NUMERIC,
-	"HR"	NUMERIC,
+	"H"	NUMERIC	check (H <= AB),
+	"2B"	NUMERIC	check ("2B" <= H),
+	"3B"	NUMERIC	check ("3B" <= H),
+	"HR"	NUMERIC	check (HR <= H),
 	"BB"	NUMERIC,
-	"SO"	NUMERIC,
+	"SO"	NUMERIC	check (SO <= AB),
 	"SB"	NUMERIC,
 	"CS"	NUMERIC,
 	"HBP"	NUMERIC,
 	"SF"	NUMERIC,
 	"RA"	NUMERIC,
-	"ER"	NUMERIC,
+	"ER"	NUMERIC	check (ER <= RA),
 	"ERA"	NUMERIC,
-	"CG"	NUMERIC,
-	"SHO"	NUMERIC,
-	"SV"	NUMERIC,
+	"CG"	NUMERIC	check (CG <= G),
+	"SHO"	NUMERIC	check (SHO <= G),
+	"SV"	NUMERIC	check (SV <= G),
 	"IPouts"	NUMERIC,
 	"HA"	NUMERIC,
-	"HRA"	NUMERIC,
+	"HRA"	NUMERIC	check (HRA <= HA),
 	"BBA"	NUMERIC,
-	"SOA"	NUMERIC,
+	"SOA"	NUMERIC	check (SOA <= IPouts),
 	"E"	NUMERIC,
-	"DP"	NUMERIC,
+	"DP"	NUMERIC	check (2 * DP <= IPouts),
 	"FP"	NUMERIC,
 	"name"	NUMERIC,
 	"park"	NUMERIC,