Paul Dickov will continue to run the rule over Abdoulaye Meite, with a view to signing the Ivory Coast defender in January.
The 33-year-old is looking for a new club after his contract with Finnish Premier Division side FC Honka expired at the end of October and is currently training with Rovers.
Doncaster appear to be in pole position for the former Marseille, Bolton and West Brom centre back’s signature - although they will have to be patient to secure his services.
“He’ll stay with us for a while yet,” Dickov told The Star.
“Because he was contracted to another club after August 31, we could sign him on non-contract terms but he couldn’t play in the first team, although he could play in the reserves.
“Work that one out,” joked the Rovers’ boss.
Dickov will monitor the condition of sidelined skipper Rob Jones, and the progress of stand-in centre back Luke McCullough, as he weighs up a move for Meite.
The French-born stopper, who has 48 caps for Ivory Coast, joined Honka in March and was voted the Veikkausliiga’s player of the month in August.
Dickov has also not ruled out the arrival of new faces before tomorrow night’s trip to Charlton after suffering two further injury blows in the build-up to Friday’s 2-1 win over Yeovil Town.
Chris Brown (twisted ankle) and Paul Keegan (hamstring) could both be out for up to a month, while Jamie McCombe and James Husband remain sidelined.
Harry Forrester, who is back in light training, will start ball work today as he steps up his rehabilitation.
“We’ll be trying, as ever, to get players in, purely to boost the numbers,” said Dickov.
“But it’s easier said than done.”