Emmaus made the biggest jump in the Pennsylvania state rankings, moving from 164 to 137 thanks to a 1-0 record over the past week.
Liberty currently sits at the top of Lehigh Valley with a mark of 18-2 overall and 13-2 in the league.
Parkland sits 1.5 games back in second, with an 11-3 record in league play.
The Trojans boasted the best pitching over the past week, holding opponents to the league's fewest hits and issuing the fewest walks. On the season, Parkland has allowed just 133 hits, while striking out 141 batters.
Adam Fye leads Parkland with 48 strikeouts in 40 innings pitched.
Damin Muth drove in seven runners as Pocono Mountain East defeated Parkland 6-4 on Friday.
Story is based on stats entered in MaxPreps by Monday 8am PST each week.