(Eugene, OR)  --  The Emeralds and the Hillsboro Hops open the Northwest League playoffs tonight in Eugene in a best-of-three series. The Emeralds are a Cubs' farm club and finished with a 39-37 record.  The Hops are a Diamondbacks affiliate and topped the South Division with a 41-35 record.  Game two will be played tomorrow at Hillsboro.  Hops first baseman Pavin Smith finished third in the league with a .318 batting average and a .401 on-base percentage.