The reigning European champions will face the Serie A title holders once again in the continent's top competition, while the two group minnows will have their work cut outEuropean champions Barcelona will face AC Milan, BATE Borisov and Viktoria Plzen in Champions League Group H following Thursday's draw in Monaco.
Here is the lowdown on each of the teams competing in Group H:
BARCELONA SEASON 2010-11
League: Champions
Europe: Champions League winners
Manager: Pep Guardiola
Appointed: 2008
Stadium: Camp Nou
Capacity: 99,354
Best Champions League performance: Winners four times (1992, 2006, 2009, 2011) 
THE DANGER MAN
Lionel Messi
The brilliant Argentine scored 12 goals in last season’s Champions League. A wonderful strike against Arsenal helped Barca overcome a 2-1 first-leg deficit against the Gunners in the last 16, while his brilliant brace sealed victory over Real Madrid in the last four before scoring the crucial second in the final against Manchester United.
AC MILAN SEASON 2010-11
League: Champions
Europe: Champions League last 16
Manager: Massimiliano Allegri
Appointed: 2010
Stadium: San Siro
Capacity: 80,074
Best Champions League performance: Winners seven times (1963, 1969, 1989, 1990, 1994, 2003, 2007) 
THE DANGER MAN
Zlatan Ibrahimovic
There are still doubts over his top European pedigree, but there's no questioning his affect on the seven-time winners. If he can final crack the big-night nerves then there's every chance Milan can challenge, making him the first area of concern for opposing defenders in their attempts to keep out a dangerous Rossoneri attack.
BATE
BORISOV SEASON 2010-11
League: Champions
Europe: Champions League third qualifying round; Europa League last 32
Coach: Viktor Goncharenko
Appointed: 2007
Stadium: Dinamo Minsk (home stadium unsuitable for European matches)
Capacity: 41,040
Best Champions League performance: Group stage (2009) 
THE DANGER MAN
Pavel Nekhaychik
A very versatile and fast midfielder with good vision and a sharp eye for goal. Nekhaychik is just 23, but he was already an integral part of BATE squad that took on Real Madrid, Juventus and Zenit in 2008 group stages, scoring a great goal against the Russians. Decent campaign this time could earn him a lucrative contract in a bigger league.
VIKTORIA
PLZEN SEASON 2010-11
League: Champions
Europe: Europa League third qualifying round
Coach: Pavel Vrba
Appointed: 2008
Stadium: Struncovy Sady Stadion
Capacity: 7,425
Best Champions League performance: Debutants 
THE DANGER MAN
Vaclav Pilar
Only 22 years old, Pilar looks set to explode as the youngster is hitting top form at the perfect time. The two-footed forward's new-found ability to score for fun has earned himself his first senior cap and a switch to the Czech champions all in the space of this summer. Able to play anywhere along the frontline, the young attacker is definitely one to watch.
BARCELONA
SEASON 2010-11
League: Champions
Europe: Champions League winners
League: Champions
Europe: Champions League winners
Appointed: 2008
Stadium: Camp Nou
Capacity: 99,354
Best Champions League performance: Winners four times (1992, 2006, 2009, 2011)
THE DANGER MANLionel Messi
The brilliant Argentine scored 12 goals in last season’s Champions League. A wonderful strike against Arsenal helped Barca overcome a 2-1 first-leg deficit against the Gunners in the last 16, while his brilliant brace sealed victory over Real Madrid in the last four before scoring the crucial second in the final against Manchester United.
AC MILAN
SEASON 2010-11
League: Champions
Europe: Champions League last 16
League: Champions
Europe: Champions League last 16
Appointed: 2010
Stadium: San Siro
Capacity: 80,074
Best Champions League performance: Winners seven times (1963, 1969, 1989, 1990, 1994, 2003, 2007)
THE DANGER MANZlatan Ibrahimovic
There are still doubts over his top European pedigree, but there's no questioning his affect on the seven-time winners. If he can final crack the big-night nerves then there's every chance Milan can challenge, making him the first area of concern for opposing defenders in their attempts to keep out a dangerous Rossoneri attack.
BATE
BORISOV
BORISOV
SEASON 2010-11
League: Champions
Europe: Champions League third qualifying round; Europa League last 32
League: Champions
Europe: Champions League third qualifying round; Europa League last 32
Appointed: 2007
Stadium: Dinamo Minsk (home stadium unsuitable for European matches)
Capacity: 41,040
Best Champions League performance: Group stage (2009)
THE DANGER MANPavel Nekhaychik
A very versatile and fast midfielder with good vision and a sharp eye for goal. Nekhaychik is just 23, but he was already an integral part of BATE squad that took on Real Madrid, Juventus and Zenit in 2008 group stages, scoring a great goal against the Russians. Decent campaign this time could earn him a lucrative contract in a bigger league.
VIKTORIA
PLZEN
PLZEN
SEASON 2010-11
League: Champions
Europe: Europa League third qualifying round
League: Champions
Europe: Europa League third qualifying round
Appointed: 2008
Stadium: Struncovy Sady Stadion
Capacity: 7,425
Best Champions League performance: Debutants
THE DANGER MANVaclav Pilar
Only 22 years old, Pilar looks set to explode as the youngster is hitting top form at the perfect time. The two-footed forward's new-found ability to score for fun has earned himself his first senior cap and a switch to the Czech champions all in the space of this summer. Able to play anywhere along the frontline, the young attacker is definitely one to watch.
