Northern League NEW JERSEY JACKALS--Signed George Tsamis, manager, to a contract extension through the 2004 season.

NEW JERSEY JACKALS - Signed LHP Ryan Olsen.

NEW JERSEY JACKALS - Placed RHP Chris Weidert on the 16-day inactive list.

NEW JERSEY JACKALS--Agreed to terms with OF-1B Jeremy Pickrel.

NEW JERSEY JACKALS - Released RHP Chris Humrich.

NEW JERSEY JACKALS - Signed RHP Matthew Pike.

Northern League NEW JERSEY JACKALS--Placed C Drue James on the 7-day disabled list.

NEW JERSEY JACKALS - Purchased the contract of OF Kevin Dattola from Adirondack.

NEW JERSEY JACKALS--Released 1B David Kennedy.

NEW JERSEY JACKALS - Agreed to terms with LHP Dan Mozingo.