Young Boys and CSKA Moscow looked set for a deserved 0-0 draw in Leg 1, until Kasim Adams nightmare 90' own-goal.
APOEL scored two goals in the first ten minutes to beat Slavia Praha 2-0 in the first leg of the Champions League qualifying round.
Hoffenheim scored a late goal to give them a puncher's chance against Liverpool heading to Anfield for the second leg.
Trent Alexander-Arnold scored his first-ever Liverpool goal in fashion with this well taken free kick.
Simon Mignolet denied Andrej Kramaric's weak penalty to keep Liverpool level with Hoffenheim.
Aloneftis doubled APOEL's advantage after just 10 minutes with this elegant chip over the Slavia Prague goalkeeper.