Zverev’s ATP Finals win vs. Federer tainted by ball boy flub

LONDON (AP) — One of the biggest wins of Alexander Zverev’s career was tainted by a ball boy interrupting a point during a crucial second-set tiebreaker.
Zverev denied Roger Federer a shot at a 100th career title with a 7-5, 7-6 (5) victory on Saturday to advance to the championship match at the ATP Finals.
Federer was leading the tiebreaker 4-3 and was in the ascendancy of a rally on a Zverev service point when a ball boy at the back of the court dropped a ball. Zverev immediately s