Oldham Athletic re-sign Anthony Gerrard and Amadi-Holloway and bring in striker Michael Ngoo on free transfers.
Oldham have signed defender Anthony Gerrard on a two-and-a-half-year contract, the club have announced.
Tyler Roberts could be handed his Shrewsbury debut after he joined from West Brom.
Oldham have offered free entry to supporters for their rearranged League One match with Peterborough on Tuesday.
Oldham Athletic offer free entry to all fans for their rearranged League One fixture with Peterborough United.
Oldham Athletic confirm their transfer embargo has been lifted and the club can now sign players again.
Oldham Athletic have confirmed they have had their transfer embargo lifted.
Live coverage of Saturday's League One game between Oldham Athletic and Gillingham.