Celtic are dominating every aspect of Scottish football this season - they are currently 19 points clear atop the Scottish Premiership and have already won the League Cup.In Europe they’ve progressed from the last few years, finally qualifying for the group stage of the Champions League once again.They’re seeking further improvements, though, with the next step being qualification from the group into the Europa League or the Last 16.To do that, signings need to continue to be made.

The club recently snapped up Kouassi Eboue from Russian club FC Krasnodar, a highly-rate Ivorian midfielder who is expected to slot right into the first-team.

Now he’s arrived, what other positions need bolstering and which players should the Bhoys be looking at snapping up in the January transfer window?

Here are THREE players that could improve the Celtic first-team…

Saido Berahino

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West Bromwich Albion's Saido Berahino in action with Middlesbrough's Adam Clayton  
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Saido Berahino, whose contract runs out in the summer, is a player than many Premier League sides are likely to be interested in.

That's mainly due to the season he had in 2014/15 when he scored 20 goals for West Bromwich Albion, including 14 in the Premier League.

Celtic are in a unique position when it comes to the 23-year-old. Given he plays across a FIFA border, the compensation required to bring him to Celtic Park on the expiration of his contract would be similar to what the club shelled out for Moussa Dembele, whereas English teams would have to hand over a lot more.

Not only that but, the Hoops can offer him something most English teams can't: Champions League football.

If Berahino truly wants to resurrect his career, it's unlikely he'll be in it for only the money. Celtic is a great option for him, just look at the profile of Dembele compared to a year ago.

He'd offer Celtic plenty of threat in the final third and undoubtedly provide significant first-team competition for the strikers and wingers.

Robert Snodgrass

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Robert Snodgrass is proving again that he is a player comfortable performing at Premier League level.

When you consider that he's playing for a team that is languishing in the relegation zone, his form has been quite spectacular.

He's scored an incredible nine goals for Hull this term, notching up another three assists in the process - just think what he could do for a side who dominate possession and create loads of chances like Celtic?

The Scotland international recently had his contract extended a further year by Hull, but with just 18 months left on that deal, would a move to the Scottish champions suit him?

We're sure he'd be tempted. Indeed it may even be up to Celtic whether or not they move for him given his affinity for the green and white. For us, it's a no-brainer.

Henri Lansbury

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Former Arsenal man Henri Lansbury's time at Nottingham Forest has been a great success and he appears to be just hitting his prime as a footballer.

The Forest captain has been in inspirational form this season and if not for him, the Tricky Trees would surely be in the relegation positions - at times he's carried them to victory on his own.

That was never more apparent than in the recent 5-2 win away to Barnsley, a game in which Lansbury netted a hat-trick.

He's a versatile player, too, able to play a variety of central midfield roles, so if Celtic signed him they could expect him to offer immediate competition to the likes of Tom Rogic and Stuart Armstrong, which, despite their form, could only be to the benefit of everyone.

He's certainly a more dynamic option than the likes of Callum McGregor and Nir Bitton. If Rodgers could tempt him to Scotland it could prove to be a shrewd bit of business.