Jaap Stam was dismissed by the Royals earlier this week.
The 19-year-old will be looking to score his first senior goal for Grimsby soon.
The Uruguayan is out of contract at Hull City this summer.
The Spanish youngster has been impressing in a midfield role recently.
Andre Gray would be a brilliant signing for Wolverhampton Wanderers if promoted.
The Ivorian is set to return to first-team action after the international break.
The Italian had a mixed experience at Elland Road.
The 16-year-old has had a brilliant breakthrough campaign at Hearts this season.
The young left-back is out of contract at Aston Villa this summer.
The Swedish defender has been out of form for most of the 2017-18 campaign.
The Barnsley defender is a Bosman transfer target for Leeds United.
The Australian left-back would have been the consistent Leeds defender they need.
Everton's Joe Williams has been linked with Leeds United this week, but Connolly could be a better option.