It is now official. Nationals Park will not be hosting a playoff series this year. What is surprising is that the Nats were not the first team to be mathematically eliminated from the post season. What is shocking is that the team is 8-2 in their last 10 games. The Nats have 21 games left in the season, and they have to win 9 in order to avoid 100 losses. A week ago, it seemed…