Roger Federer's numerology

Here are a few numerical facts related to the Roger Federer who dethroned Novak Djokovic on Friday to enter Wimbledon 2012's final:

8 This year's final will be Federer's eighth, a grand slam era record.

7 If he wins tomorrow Federer will equal the record of seven Wimbledon wins in the grand slam era jointly held by William Renshaw and Pete Sampras.

0 Federer has never lost a semi-final at Wimbledon. He had never so much as lost a set in a semi-final until yesterday.

5He won the tournament five times in a row in 2003-07. He also enjoyed a five-year 65-match winning streak on grass in 2003.

4.38 Federer's 2008 final defeat to Rafael Nadal is widely considered the finest match in Wimbledon men's singles history. It was the longest final at 4hr 38min.