Switzerland's Roger Federer holds the trophy aloft after winning his tenth title at the Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland

Switzerland's Roger Federer eats pizza with the ball kids after winning his tenth title at the Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland

Roger Federer of Switzerland returns a ball during a training session for the Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland.