Highly-regarded striker Jack Marriott has signed a new contract with Ipswich until the summer of 2015.
Kris Commons says Celtic urgently need to find a top-quality striker to compliment their midfielders.
The 20-year-old has linked up with the Dutch side until next June after learning his trade at Liverpool's academy in the past few seasons.
Adorjan moved to Merseyside from MTK Hungaria in the summer of 2009 and the Reds have allowed him to pursue some first-team experience in the Eredivisie.
The Hungarian has captained his country at a number of levels and underlined his potential with some impressive displays for Liverpool's U18 side.