Pitching Matchup: RHP Mikey O'Brien (4-1, 3.10) vs. LHP Chris Hernandez (4-6, 2.64)

In the standings: First-place Trenton is a half-game up on Reading in the East. Fifth-place Portland is 12.5 games behind Trenton.

PORTLAND
Jackie Bradley - CF
Jeremy Hazelbaker - DH
Marquez Smith - 3B
Bryce Brentz - RF
Dan Butler - C
Matt Spring - 1B
Derrik Gibson - SS
Ryan Dent - 2B
Peter Hissey - LF

TRENTON
Abe Almonte - DH
Jose Pirela - LF
David Adams - 2B
Zoilo Almonte - RF
Melky Mesa - CF
Jose Gil - C
Addison Maruszak - 3B
Jeff Farnham - C
Yadil Mujica - SS

NOTES: Starters Craig Heyer and Josh Romanski are throwing simulated games tomorrow. ... With last night's sweep of the SeaDogs, Trenton is now 8-0 in doubleheader games this season. ... Trenton will soon add Jon Meloan, a 27-year-old former fifth-rounder of the Los Angeles Dodgers. Meloan threw 17.2 innings in the major leagues over three seasons from 2007 until 2009. He was most recently with the Long Island Ducks and was in the clubhouse today. ... Nardi Contreras and Pat Roessler are in the house.