He believes one deal is close to completion - with Fulham's Stephen Kelly understood to be on his way in - and has admitted that he will look to dip into the market on at least one more occasion before the window slams shut.
"We think we're closer on another player, but it's never done until it's done," said McDermott.
"We're hopefully it'll be done sooner rather than later. There could possibly be more if this one comes off, we'll see.
This quote from Sky sports is interesting - BMD implying that there could be more signings if the next one comes off - so perhaps there are players who may be convinced to join if we've managed to get enough new faces in?