FOLLOW LIVE: UEFA Champions League group stage

AP Photo/Darko Bandic

By the end of the day, Arsenal’s European plight could be pretty darn dicey.

Already having fallen to Dinamo Zagreb in their UEFA Champions League group stage debut, Arsene Wenger‘s Gunners are in Group F’s third place, ahead of only Tuesday’s Emirates Stadium visitors in Olympiacos.

The match is part of an eight-game UCL slate on Tuesday, all kicking off at 2:45 p.m. ET.

[ FOLLOW LIVE: Updates and stats on all matches here ]

Elsewhere Chelsea hopes to keep rolling as manager Jose Mourinho is reunited with Porto, while Barcelona hopes to get all three points from Bayer Leverkusen at the Camp Nou. One problem? No Lionel Messi.

For a more in-depth preview of Tuesday’s action, head here.

[ RELATED: With Messi out weeks, pressure falls on Neymar ]

Also on the docket
Bayern Munich vs. Dinamo Zagreb
Zenit Saint Petersburg vs. Gent
Lyon vs. Valencia
Maccabi Tel-Aviv vs. Dynamo Kyiv
BATE Borisov vs. AS Roma