FC Bayern Munich's new signing Ivan Perisic revealed that it was not a difficult call for him when the club called him."When they called me, I took only a few hours to take my decision with my family. When a club like Bayern call, you cannot say no," Goal.com quoted Perisic as saying.FC Bayern Munich signed the Croatian winger on a one-year loan deal from Inter Milan on Tuesday.Perisic is hoping that it is going to be a successful year for him as he aims to do best every day."That's the reason I'm here. I want to do the best here every day, each game and I hope it's going to be a successful year," he said.However, for a spot in the team, Perisic will have to compete against Kingsley Coman, Serge Gnabry and youngster Alphonso Davies.The 30-year-old said that they need at least 17-18 players if they want to be on top."I'm coming here to be part of the team, and to play. There are a lot of games, and at this level you cannot play all the games. We need everybody, at least 17, 18 players .