diff --git a/server-new/app/Models/DetailedMatch.ts b/server-new/app/Models/DetailedMatch.ts
index f4e9e3b..f591061 100644
--- a/server-new/app/Models/DetailedMatch.ts
+++ b/server-new/app/Models/DetailedMatch.ts
@@ -29,10 +29,10 @@ interface Team {
 export interface Ban {
   championId: number,
   pickTurn: number,
-  champion: Champion<null, null>
+  champion: Champion<null | number, null | string>
 }
 
-interface TeamStats {
+export interface TeamStats {
   kills: number,
   deaths: number,
   assists: number,
diff --git a/server-new/app/Services/RoleIdentiticationService.ts b/server-new/app/Services/RoleIdentiticationService.ts
index f2a2ae2..c350db6 100644
--- a/server-new/app/Services/RoleIdentiticationService.ts
+++ b/server-new/app/Services/RoleIdentiticationService.ts
@@ -1,20 +1,30 @@
 import Redis from '@ioc:Adonis/Addons/Redis'
 import got from 'got/dist/source'
 
+export interface ChampionsPlayRate {
+  [champion: string]: {
+    TOP: number,
+    JUNGLE: number,
+    MIDDLE: number,
+    BOTTOM: number,
+    UTILITY: number,
+  }
+}
+
 export interface FinalRoleComposition {
-  'TOP'?: number,
-  'JUNGLE'?: number,
-  'MIDDLE'?: number,
-  'BOTTOM'?: number,
-  'SUPPORT'?: number,
+  TOP?: number,
+  JUNGLE?: number,
+  MIDDLE?: number,
+  BOTTOM?: number,
+  SUPPORT?: number,
 }
 
 export interface RoleComposition {
-  'TOP'?: number,
-  'JUNGLE'?: number,
-  'MIDDLE'?: number,
-  'BOTTOM'?: number,
-  'UTILITY'?: number,
+  TOP?: number,
+  JUNGLE?: number,
+  MIDDLE?: number,
+  BOTTOM?: number,
+  UTILITY?: number,
 }
 
 export interface ChampionComposition {
@@ -153,7 +163,7 @@ class RoleIdentificationService {
   /**
    * Get the CDN data of the champion playrates by role
    */
-  public async pullData () {
+  public async pullData (): Promise<ChampionsPlayRate> {
     const url = 'http://cdn.merakianalytics.com/riot/lol/resources/latest/en-US/championrates.json'
 
     // Check if cached
diff --git a/server-new/app/Transformers/BasicMatchTransformer.ts b/server-new/app/Transformers/BasicMatchTransformer.ts
index 59d07b0..b2a376d 100644
--- a/server-new/app/Transformers/BasicMatchTransformer.ts
+++ b/server-new/app/Transformers/BasicMatchTransformer.ts
@@ -27,8 +27,8 @@ class BasicMatchTransformer extends MatchTransformer {
     const playerData = super.getPlayerData(match, player, false)
 
     // Teams data
-    const allyTeam:ParticipantBasic[] = []
-    const enemyTeam:ParticipantBasic[] = []
+    const allyTeam: ParticipantBasic[] = []
+    const enemyTeam: ParticipantBasic[] = []
     for (let summoner of match.participantIdentities) {
       const allData = match.participants[summoner.participantId - 1]
       const playerInfos = {
@@ -68,7 +68,7 @@ class BasicMatchTransformer extends MatchTransformer {
   public async transform (matches: MatchDto[], { puuid, accountId }: { puuid: string, accountId: string }) {
     await super.getContext()
 
-    const finalMatches:MatchModel[] = []
+    const finalMatches: MatchModel[] = []
     matches.forEach((match, index) => {
       finalMatches[index] = this.transformOneMatch(match, puuid, accountId)
     })
diff --git a/server-new/app/Transformers/DetailedMatchTransformer.ts b/server-new/app/Transformers/DetailedMatchTransformer.ts
index cbd085a..ad73be0 100644
--- a/server-new/app/Transformers/DetailedMatchTransformer.ts
+++ b/server-new/app/Transformers/DetailedMatchTransformer.ts
@@ -1,5 +1,4 @@
 import { Ban, DetailedMatchModel } from 'App/Models/DetailedMatch'
-import { Champion } from 'App/Models/Match'
 import { MatchDto, TeamStatsDto } from 'App/Services/Jax/src/Endpoints/MatchEndpoint'
 import MatchTransformer from './MatchTransformer'
 
@@ -37,9 +36,7 @@ class DetailedMatchTransformer extends MatchTransformer {
     const bans: Ban[] = []
     if (team.bans) {
       for (const ban of team.bans) {
-        const champion: Champion<null, null> = (ban.championId === -1)
-          ? { id: null, name: null }
-          : super.getChampion(ban.championId)
+        const champion = (ban.championId === -1) ? { id: null, name: null } : super.getChampion(ban.championId)
 
         bans.push({
           ...ban,
diff --git a/server-new/app/Transformers/MatchTransformer.ts b/server-new/app/Transformers/MatchTransformer.ts
index f70b054..ed1bd74 100644
--- a/server-new/app/Transformers/MatchTransformer.ts
+++ b/server-new/app/Transformers/MatchTransformer.ts
@@ -2,8 +2,9 @@ import { getSeasonNumber, queuesWithRole, sortTeamByRole, supportItems } from 'A
 import Jax from 'App/Services/Jax'
 import { MatchDto, ParticipantDto, ParticipantTimelineDto } from 'App/Services/Jax/src/Endpoints/MatchEndpoint'
 import { Champion, Item, ParticipantBasic, ParticipantDetails, PercentStats, Stats, SummonerSpell } from 'App/Models/Match'
-import RoleIdentificationService from 'App/Services/RoleIdentiticationService'
+import RoleIdentificationService, { ChampionsPlayRate } from 'App/Services/RoleIdentiticationService'
 import { ChampionDTO, ItemDTO, PerkDTO, PerkStyleDTO, SummonerSpellDTO } from 'App/Services/Jax/src/Endpoints/CDragonEndpoint'
+import { TeamStats } from 'App/Models/DetailedMatch'
 
 export interface PlayerRole {
   champion: number,
@@ -17,7 +18,7 @@ export default abstract class MatchTransformer {
   protected perks: PerkDTO[]
   protected perkstyles: PerkStyleDTO[]
   protected summonerSpells: SummonerSpellDTO[]
-  protected championRoles: any
+  protected championRoles: ChampionsPlayRate
   protected sortTeamByRole: (a: ParticipantBasic | ParticipantDetails, b: ParticipantBasic | ParticipantDetails) => number
   /**
    * Get global Context with CDragon Data
@@ -35,7 +36,7 @@ export default abstract class MatchTransformer {
     this.perks = perks
     this.perkstyles = perkstyles.styles
     this.summonerSpells = summonerSpells
-    this.championRoles = championRoles
+    this.championRoles = championRoles as ChampionsPlayRate
     this.sortTeamByRole = sortTeamByRole
   }
 
@@ -78,7 +79,7 @@ export default abstract class MatchTransformer {
    * @param detailed : detailed or not stats 
    * @param teamStats : if detailed, the teamStats argument is mandatory
    */
-  public getPlayerData (match: MatchDto, player: ParticipantDto, detailed: boolean, teamStats: any = {}) {
+  public getPlayerData (match: MatchDto, player: ParticipantDto, detailed: boolean, teamStats?: TeamStats) {
     const identity = match.participantIdentities.find(p => p.participantId === player.participantId)
     const name = identity!.player.summonerName
     const champion = this.getChampion(player.championId)
@@ -112,6 +113,7 @@ export default abstract class MatchTransformer {
     // Percent stats / Per minute stats : only for detailed match
     let percentStats: PercentStats
     if (detailed) {
+      teamStats = teamStats!
       percentStats = {
         minions: +(stats.minions / (match.gameDuration / 60)).toFixed(2),
         vision: +(stats.vision / (match.gameDuration / 60)).toFixed(2),