​Bochum’s Philipp Hofmann celebrates scoring his side’s second goal during the German DFB Cup 2nd round soccer match between Bochum and Mainz 05 at Vonovia Ruhrstadion. (is associated with: «Mainz and Elversberg humbled in Cup, Dortmund win late on») David Inderlied/dpaTop-flight Mainz and Elversberg were knocked out by second division sides in the German Cup second round on Tuesday, while Borussia Dortmund beat Werder Bremen 3-2 thanks to Marcel Sabitzer’s injury-time free-kick.Mainz were eliminated as Bochum’s Danish forward Christian Rasmussen scored just after the break and Philipp Hofmann sealed the 2-0 home victory on 75 minutes.Mainz have gone out before the round of 16 for the fourth time in a row. Bochum, who also beat the Bundesliga’s Augsburg in the Cup last term, celebrated their first home win of the season as Mainz lost away for the first time this campaign.Bochum coach Uwe Rösler told reporters: “We’ve done it against the team with the best away record in the Bundesliga.”Elversberg, in their debut Bundesliga season, lost 2-0 at home to Darmstadt following Lars Kehl’s superb early free-kick and Milan Smit’s second-half finish.Dortmund went 2-0 up against Bremen due to goals from Serhou Guirassy and Carney Chukwuemeka.But former Dortmund striker Niclas Füllkrug later came off the bench to convert a penalty, scoring for the seventh straight game, and then netted a brilliant second after a solo run. Bremen had also come back from 2-0 down to draw 2-2 in a recent Bundesliga fixture at Dortmund.Extra-time seemed certain until Sabitzer bent in a magical free-kick.RB Leipzig’s roller-coaster season took another turn with a 2-1 comeback win at third-tier Rot-Weiss Essen – having been reduced to 10 men in the first half.Axes used to smash cementThe away entrance to the Essen stadium was blocked up with cement by unknown assailants before kick-off, possibly in protest at the Red Bull-backed team, but officials used axes to remove the obstruction before fans arrived.Lucas Brumme put Essen ahead after 9 minutes following a short back-pass from Castello Lukeba and a slip from Leipzig goalkeeper Ørjan Nyland.The night got worse for the Bundesliga side and under pressure coach Martín Demichelis when Nicolas Seiwald was sent off just before half-time for a second booking.Leipzig sacked boss Ole Werner in the close season despite finishing third in the Bundesliga and replacement Demichelis has a mixed record so far.But substitute Christoph Baumgartner, injured for much of the season, netted a double in the second period to send Leipzig into the third round.Leipzig captain David Raum told Sky: “Everything that could go wrong did go wrong in the first half. We fixed it in the second half through absolute willpower.”Third-tier hosts Sonnenhof Grossaspach fought back from 2-0 down to draw level but Bundesliga team Augsburg eventually prevailed 4-2.Eintracht Frankfurt triumphed 3-1 at fellow top-flight side Hamburg and Cologne hammered Union Berlin