Neil Lennon has doubts over four players ahead of the visit of Helsingborg.
Defender Thomas Rogne (ankle), skipper Scott Brown (groin), striker Georgios Samaras (thigh) and midfielder Kris Commons (ankle) all missed Saturday's 4-2 Scottish Premier League win at Inverness, with the former unable to train on Tuesday.
Celtic are 2-0 up from the first leg in Sweden and are favourites to go through to the group stages for the first time since 2008-09.
Celtic (from): Forster, Lustig, Matthews, Wilson, Mulgrew, Rogne, Izaguirre, Wanyama, Brown, Samaras, Twardzik, Forrest, Commons, McCourt, Watt, Hooper, Zaluska, Chalmers, Slane, McGregor.
The adidas Nitrocharge is the most talked about new cleat in years. It was released on May 15 and will take your pitch by storm.
Borussia Dortmund hears Wembley Calling and are headed to London for the Champions League final.
Chelsea won the Europa League on Wednesday. The Blues defeated Benfica 2-1 on injury time goal from Ivanovic.
One of the top soccer cleats for control the Nike CTR360 will not let you down on the field in tight spaces.
The new PUMA evoSPEED 1.2 FG. A great new soccer cleat with classic look and first time for PUMA to be on the cleat.
The Liverpool 2013/14 soccer jersey is available for pre-order. The Reds are eager to compete for silver next season.
The Juventus jersey for the 2013/14 was released earlier this week. Be the first to wear the colors of the Old Lady.
Bayern Munich are kings of Germany and hope to be crowned kings of Europe at Wembley later this month!
Ajax has released their away soccer jersey for the 2013/14 season. Get in the Gear.
adidas has added some color to the Predator line with this new colorway. Released on May 17. Be the first to own a pair.