River went from 580 to 540 in the national rankings since last week after going 1-0 in the past seven days.
The Pilots used a 1-0 record over the past week to move from 580 to 540 in the state rankings.
Shenandoah's pitching staff dominated this week, allowing only 24 hits and six walks, both of which led the league. The Zeps's pitchers have been charged with only 137 hits and have struck out 155 batters.
James Luyster is tops on the staff with 64 Ks.
Shenandoah, the league leader in stolen bases this season with 68, added to its lead in that category with 14 more steals over the past week. Given the green light by manager Kevin Davis,
Ryan Lovette has racked up 17 steals on his own this season for the Zeps.
Seth Thompson led the league with seven hits this week for Shenandoah. His 41 hits for the year are first in Pioneer Valley, and he boasts a .539 batting average.
Kalob Davis was an RBI machine on May 1, 2012, as he knocked in four runs during Shenandoah's 11-1 win over Monroe Central.