In a coin flip, that is. They held the official coin tosses at the commissioner’s office today. If the Dodgers and Diamondbacks tie for the N.L. West crown, the one-game playoff between the two clubs will take place at Dodger Stadium on Sept. 29. Heaven forbid they would ever let something like head-to-head results decide these matters. Dodgers won the season series with the Snakes 10-8. But the only reason they’re getting homefield advantage for the one-game playoff is that somebody in New York threw a coin in the air and it landed in the Dodgers’ favor. … Feels a little like a high school football game here at Coors tonight. The air is crisp and autumn-like, and we’re all bundled up. Shaping up to be a long night. Only in the top of the third and already at 49 minutes.