It is believed Klemmer will officially request a Canterbury release this week citing personal issues after the Knights were reportedly given permission by the Bulldogs to negotiate with the prop.
Newcastle have made no secret of their desire to sign a big name forward after missing out on Brisbane duo Tevita Pangai and Matt Lodge.
Klemmer is reportedly on $400,000 a season at Canterbury but hopes to be released from the final two years of his Bulldogs contract in order to snatch up the rich Knights offer, believed to be $1.2 million a season.
Klemmer is understood to have undertaken a medical assessment for the club today and it is believed the Knights are satisfied with the outcome.
The Newcastle Knights will announce the signing of Canterbury Bankstown Bulldogs prop David Klemmer to a 4 year deal once Novemember 1st anti-tamper deadline has been and gone.