Daniel Mortimer's impending decision on whether to stay at Parramatta or join NRL rivals Canterbury will not change the way veteran Bulldogs halfback Brett Kimmorley thinks about his future.

Eels five-eighth Mortimer will decide between the clubs in the next week, weighing up whether to take his famous surname back to the Bulldogs or remain loyal to the Eels.

A move to Canterbury would potentially mean bad news for at least one of the club's current halves - Kimmorley, Ben Roberts or Ben Barba.

Kimmorley and Barba are off-contract at the end of this season.

Veteran Kimmorley said whether he played on would depend on his body and form, regardless of whether Mortimer joins the Bulldogs.

"(Coach) Kevvy (Moore) and (CEO) Todd (Greenberg) have been very honest about it so I've known the whole way through that there's a situation of (possibly) buying him," Kimmorley told reporters on Friday.

"My scenario is wait to see how I start playing and see how I start pulling up after games to see if next year's an option."

The 33-year-old, who said his body had come up well after the club's pre-season trials, would certainly welcome Mortimer's arrival.

"If he was to leave Parramatta hopefully he'd spend the rest of his career playing for us," he said.

"I think he'd fit in very well, he's a very competitive type of bloke and seems to be very fit and always around the ball at Parramatta (and) we tend to play that up-tempo kind of football.

"I think Kevvy would have to worry about how he's fit in (to the side) next year."

Greenberg said the Dogs had included an off-field component in their offer to the exciting 20-year-old.

"It's an all-encompassing proposal about him potentially playing at the Bulldogs and what it would look like both on and off the field," Greenberg told AAP.

On the field, Kimmorley is looking for more from halves partner Roberts as the Bulldogs look to build on their turnaround 2009.

"Benny had a great year last year, was very consistent all year which is what we need him to be again, but just probably (needs) a bit more planning, getting rid of some of the errors," he said.

"Obviously he's an instinct player and he's best when he just plays off the top, but if we can just get him to plan a bit more about what sometimes the defence do wrong and go into the game with some thoughts, it might help him a little bit to minimise some errors."

Coach Moore said Heka Nanai and Junior Tia Kilifi were in a race to replace injured tryscoring machine Bryson Goodwin (toe) on the wing for the round one clash with Newcastle, while Yileen Gordon Gary Warburton and Mickey Paea were in the frame for injured second-rower Dene Halatau (ankle).

Ben Barba is likely to be used as a bench utility in 2010 with Michael Ennis to take over from the great Hazem El Masri as goalkicker.

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