NL Division Series: St. Louis Cardinals at Washington Nationals.
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FILE - In this April 1, 2013, file photo, umpire Gerry Davis signals to the Arizona Diamondbacks dugout before an opening day baseball game between the Diamondbacks and the St. Louis Cardinals in Phoenix. Davis worked his 4,000th major league game Wednesday, April 10, when the Los Angeles Angels took on the Oakland Athletics. (AP Photo/Ross D. Franklin, File)