Apologies if it's been already mentioned, but yesterday's announced attendance of 40,907 is seventh-highest in Nats Park history - it's also the best-ever Nats Park attendance at a match not involving the Phillies or Red Sox - the top 10:
44,685 Saturday 20th August 2011 vs Phillies
41,985 Thursday 25th June 2009 vs Red Sox
41,727 Sunday 21st August 2011 vs Phillies
41,530 Wednesday 24th June 2009 vs Red Sox
41,517 Tuesday 23rd June 2009 vs Red Sox
41,290 Monday 5th April 2010 vs Phillies [season/home opener]
40,907 Thursday 12th April 2012 vs Reds [home opener]
40,386 Monday 13th April 2009 vs Phillies [home opener]
40,325 Friday 18th June 2010 vs White Sox [Strasburg start]
40,315 Tuesday 8th June 2010 vs Pirates [Strasburg debut]