Celtic left it late to seal a deal that takes striker John Guidetti from Manchester City to Parkhead, according to Sky sources.
Stefan Scepovic has made a dramatic U-turn and decided to join Celtic less than 24 hours after turning them down.
Amido Balde is heading to Belgian club Beveren on a season-long loan deal.
Hibernian have completed the season-long loans of Southampton striker Jake Sinclair and Celtic midfielder Dylan McGeouch.
Celtic chief executive Peter Lawwell has confirmed the deal to bring Sporting Gijon striker Stefan Scepovic to the club is off.
Celtic manager Ronny Deila insists defender Virgil van Dijk will not be leaving the club before the transfer window closes on Monday night.
Dundee maintained their unbeaten start to the new season with a well-deserved point against Celtic in a 1-1 draw at Dens Park in the Scottish Premiership.
Dundee's unbeaten start to the season will be put to the test when champions Celtic travel to Dens Park on Sunday.