Celtic wrapped up their transfer business on deadline day, bringing in Croatian defender Jozo Simunovic as their eighth summer signings.
Simunovic joins Logan Bailly, Saidy Janko, Dedryck Boyata, Tyler Blackett, Scott Allan, Ryan Christie and Nadir Ciftci at Celtic Park, marking the end of a busy summer for manager Ronny Deila.
However, fans aren't quite satisfied yet. The departure of Stefan Scepovic to Getafe earlier this week had many supporters believing that a new striker would be brought in on deadline day - but the Daily Mail report that Celtic missed out on late deals to sign Steven Fletcher and Michu from Sunderland and Swansea City respectively.
Even though the transfer window is now closed, Celtic can still sign free agents to try and boost their attacking options - and one particular option stands out from the crowd.
Greek international Georgios Samaras remains without a club right now, having been released by Premier League side West Bromwich Albion earlier this summer, just one year after leaving Celtic for the Baggies.
The 30-year-old forward hit 74 goals in 248 games for Celtic, becoming a real fan favourite for his hard-working displays at Celtic Park - and he could fill a vital role under Deila in this current Bhoys side.
Celtic currently don't have a target man-type striker who can hold the ball up and bring other team-mates into play, and that aspect has been sorely missed recently, with Leigh Griffiths certainly not that type of player.
Samaras can offer just that though, and has already proven that he can do it with the Bhoys during his first spell with the club, whilst his impressive record in European action - 13 goals in 47 games for Celtic - also showed how important he was to Celtic previously.
On a free transfer, Samaras is exactly the type of player Celtic should be looking to sign, and his previous affinity with the club should make him a no-brainer for manager Deila - if he is willing to bring the Greek hitman back to Glasgow in the immediate future, just one year after the former Manchester City flop turned his back on the Bhoys for West Brom.