AC Milan have announced the signing of Roma striker Mattia Destro on a six-month loan deal.
Manager Harry Redknapp claimed QPR are unlikely to sign anyone this transfer window despite having cash available.
The Pilgrims are currently in the relegation zone, announced the news on their official website.
They have been without a boss since they sacked Carl Fletcher on New Year's Day.
Sheridan has previously been in charge at Oldham and Chesterfield but has been out of work since the latter relieved him of his duties back in August.