Rome - Bundesliga leaders FC Bayern München put their 100 per cent winning start to this season's UEFA Champions League on the line at Italian outfit AS Roma on Tuesday (kick-off 18:45 GMT/ 20:45 CEST).

bundesliga.com previews the clash of the Group E pacesetters...

Back-to-back 1-0 wins over Manchester City FC and PFC CSKA Moskva have seen Bayern assume early control of Group E. The 2013 Champions League winners' destiny will be a whole lot clearer following the upcoming double-header against second-placed Roma, who beat Moskva on the opening day and drew with City last time out.

(l.) was an unused substitute in the 6-0 thrashing of SV Werder Bremen at the weekend and should start as a lone striker. is also in contention after stepping off the bench to make only his second league appearance of the season following injury, while , who was replaced at half-time against Bremen, has been passed fit.

Head coach Rudi Garcia will be without injured quartet Marco Boriello, Kevin Strootman, Seydou Keita and Leandro Castan. Paraguayan forward Juan Manuel Iturbe (r.), who found the net on his Champions League debut against CSKA on Matchday 1, is also a doubt with a thigh strain.

Mario Götze took his Bundesliga tally to six goals in eight appearances with a well-taken brace at the weekend. The World Cup-winning attacker appears to be thriving in Pep Guardiola's multifaceted system, although the 22-year-old hasn't scored in the Champions League since last December's 3-2 reverse against City at the Allianz Arena.

Evergreen forward Francesco Totti became the oldest goalscorer in Champions League history with his strike at Manchester City last time out. The 38-year-old has been at the club for the best part of 25 years and will be guaranteed to get the Giallorossi faithful fired up for the visit of one of the competition's favourites.

(l.), Bayern midfielder: "[It's] a vital game. We have got six points from the first two games and we are in a good position."

Rudi Garcia, Roma coach: "We're the underdogs, but we did well in our previous two matches which helps us believe."

Unbeaten in the Bundesliga and unbowed in Europe, Bayern are one of Europe's form sides at present. Pep Guardiola's men overran Bremen at the weekend, while Roma bounced back from defeat to Serie A leaders Juventus FC with a 3-0 win over AC Chievo Verona.

The two sides last met in the Champions League group stages towards the tail end of 2010. Ribery's (r.) Bayern recorded a 2-0 win on home soil, but lost 3-2 at the Stadio Olimpico, despite taking a two-goal lead. Both sides were then eliminated in the last 16.

Possible line-ups:

Roma: de Sanctis - Maicon, Manolas, Yanga-Mbiwa, Holebas - Pjanic, de Rossi, Nainggolan - Florenzi, Totti, Gervinho

Bayern: Neuer - Rafinha, J. Boateng, Dante, Alaba - Lahm, Xabi Alonso - Robben, T. Müller, Götze - Lewandowski