Bayer Leverkusen is currently on an impressive streak, remaining unbeaten in 49 games across all competitions this season. They recently came back from a 2-0 deficit against Roma in the Europa League semi-final to secure a 2-2 draw and keep their streak alive. Already crowned champions of the Bundesliga, Leverkusen is also vying for titles in the DFB Pokal and Europa League, potentially becoming unbeaten treble winners under the leadership of Xabi Alonso. This achievement sets them apart from other teams with longer unbeaten streaks in individual competitions. Here are some of the longest unbeaten runs in European football history.