To increase all the players on one teams stats by 5 points you must go to Edit Mode then Edit Player and at the bottom there will be the option to enter a 4 digit number.
Certain numbers will increase or decrease every players stats by 5 points on one team.
Here are the codes
INTERNATIONAL
+5 Code -5 Code Team
1000 2000 Austria
1001 2001 Belgium
1002 2002 Bulgaria
1003 2003 Croatia
1004 2004 Czech Republic
1005 2005 Denmark
1006 2006 England
1007 2007 Finland
1008 2008 France
1009 2009 Germany
1010 2010 Greece
1011 2011 Hungary
1012 2012 Ireland
1013 2013 Italy
1014 2014 Netherlands
1015 2015 Northern Ireland
1016 2016 Norway
1017 2017 Poland
1018 2018 Portugal
1019 2019 Romania
1020 2020 Russia
1021 2021 Scotland
1022 2022 Serbia and Montenegro
1023 2023 Slovakia
1024 2024 Slovenia
1025 2025 Spain
1026 2026 Sweden
1027 2027 Switzerland
1028 2028 Turkey
1029 2029 Ukraine
1030 2030 Wales
1031 2031 Cameroon
1032 2032 Egypt
1033 2033 Morocco
1034 2034 Nigeria
1035 2035 Senegal
1036 2036 South Africa
1037 2037 Tunisia
1038 2038 Costa Rica
1039 2039 Jamaica
1040 2040 Mexico
1041 2041 United States
1042 2042 Argentina
1043 2043 Brazil
1044 2044 Chile
1045 2045 Colombia
1046 2046 Ecuador
1047 2047 Paraguay
1048 2048 Peru
1049 2049 Uruguay
1050 2050 China
1051 2051 Iran
1052 2052 Japan
1053 2053 South Korea
1054 2054 Saudi Arabia
1055 2055 Australia
1056 2056 Classic Argentina
1057 2057 Classic Brazil
1058 2058 Classic England
1059 2059 Classic France
1060 2060 Classic Germany
1061 2061 Classic Italy
1062 2062 Classic Netherlands
CLUB
+ Code - Code Team
1063 2063 Bruxelles (Anderlecht)
1064 2064 Praha (Sparta Prague)
1065 2065 North London (Arsenal)
1066 2066 WM Village (Aston Villa)
1067 2067 Lancashire (Blackburn)
1068 2068 West London Blue (Chelsea)
1069 2069 Merseyside Blue (Everton)
1070 2070 West London White (Fulham)
1071 2071 Yorkshire (Leeds United)
1072 2072 Merseyside Red (Liverpool)
1073 2073 Lloyd (Manchester City)
1074 2074 Trad Bricks (Manchester United)
1075 2075 Tyneside (Newcastle United)
1076 2076 North East London (Tottenham Hotspur)
1077 2077 East London (West Ham)
1078 2078 Azur (Monaco)
1079 2079 Bourgogne (Auxerre)
1080 2080 Aquitaine (Bordeaux)
1081 2081 Rhone (Olympique Lyonnais)
1082 2082 Languedoc (Marseille)
1083 2083 Normandie (Paris St. Germain)
1084 2084 Nord (RC Lens)
1085 2085 Rhein (Bayer Leverkusen)
1086 2086 Rekordmeister (Bayern Munich)
1087 2087 Westfalen (Borussia Dortmund)
1088 2088 Hanseaten (Hamburg)
1089 2089 Hauptstadt (Hertha Berlin)
1090 2090 Ruhr (Schalke 04)
1091 2091 Weser (Werder Bremen)
1092 2092 Peloponnisos (Olympiakos)
1093 2093 Athenakos (Panathinikos)
1094 2094 AC Milan (AC Milan)
1095 2095 AS Rome (AS Roma)
1096 2096 I Dotti (Bologna)
1097 2097 Rondinelle (Brescia)
1098 2098 I Mussi (Chievo)
1099 2099 Longobardi (Internazionale)
1100 2100 Piemonte (Juventus)
1101 2101 Lazio (Lazio)
1102 2102 Parma (Parma)
1103 2103 Tiberina (Perugia)
1104 2104 Triveneto (Udinese)
1105 2105 Museumplein (Ajax)
1106 2106 Feyenoord (Feyenoord)
1107 2107 Stadhuisplein (PSV Eindhoven)
1108 2108 Lisbonera (Benfica)
1109 2109 Puerto (Porto)
1110 2110 Esportiva (Sporting Lisbon)
1111 2111 Valdai (Spartak Moscow)
1112 2112 Old Firm Green (Celtic)
1113 2113 Old Firm Blue (Rangers)
1114 2114 Manzanares (Athletico Madrid)
1115 2115 Guadalquivir (Real Betis)
1116 2116 Galicia Sur (Celta Vigo)
1117 2117 Galicia Norte (Deportivo La Coruna)
1118 2118 Cataluna (Barcelona)
1119 2119 Chamartin (Real Madrid)
1120 2120 Donosti (Real Sociedad)
1121 2121 Naranja (Valencia)
1122 2122 Constantinahce (Fenerbahce)
1123 2123 Byzantinobul (Galatasary)
1124 2124 Marmara (Dinamo Kiev)
1125 2125 WE United
1126 2126 PES United
1127 2127 Other (Freelance Players)
Special Code
1999 = Increase every single player on the games stats by 5 points!!
2999 = Decrease every single player on the games stats by 5 points!!