Blades chief Nigel Adkins is keen to bring in at least one newcomer before the cut-off point and keen for another offensive options with Jose Baxter remaining suspended and Marc McNulty remaining on loan at Portsmouth for the rest of the season.
Kent, 19, linked with South Yorkshire neighbours Barnsley as well as Huddersfield Town in the past, spent an impressive loan stint at League One rivals Coventry City earlier this term
The Blades, still in with an outside chance of making the play-offs, have already brought in defender Alex Baptiste on loan from Middlesbrough recently.
Norwich City striker Kyle Lafferty is again being linked with Leeds United - with the Northern Irishman desperate for some game time ahead of the Euro 2016 Championships - with the frontman out of favour at Norwich City.
The Sun claims that Lafferty is praying to be rescued from the sidelines and that Leeds have shown strong interest in the prospect of an emergency loan deal for the attacker before the window shuts next week.
“I just want to play,” said Lafferty to the Sun when asked about a potential move.
Young York City young forward Callum Rzonca has joined Evo-Stick Premier League outfit Stamford AFC on loan for a month in order to gain further match experience.
Rzonca has made a couple of senior substitute appearances for York and came off the bench at Premier League Swansea City in the Capital One Cup tie in August.