I agree with you. Xavi proved that you don't need star players to build a strong squad. Leverkusen's squad does not have any star players. However, they are still unbeaten in the Europa League and Bundesliga. The team is ahead of Bayern Munich in the Bundesliga.
Yes with right tactics and strategies he created some strong and impactful players and have generated a really strong squad who are making Leverkusen perform consistently. They are yet to face their first loss in Bundesliga this season <- this goes to show how much strong their squad is and the time Xabi has put behind to make it such a strong squad.
Xabi's match strategy is excellent. Xabi has managed to create a friendly relationship between Leverkusen's players. The understanding between the players is very good. This is why Leverkusen's performance has been so strong this season. In every match we see the dominance of Leverkusen players.
Yeah it is. They have bought the right players and have used them quite well this season. The mentality and the morale of the squad is also good. Coach is also doing well and helping players to build a good coordination amongst them. Building a proper squad is a hard thing to do but Leverkusen this season has done it very easily. I think this season they might end up winning the title.