Borussia Mönchengladbach missed a third straight victory in a 1-1 draw with Mainz on Sunday but even that was another step towards safety in the Bundesliga for them. Breel Embolo opened the scoring for the hosts in the 33rd minute with a low shot at the end of a classy attacking move of one-touch football, and he missed a possible second a few minutes later when he slipped in a promising position. Mainz improved after the break and Gladbach goalkeeper Yann Sommer made a super save against Jonathan Burkardt on the rebound of Leandro Barreiro’s shot against the post. Karim Onisiwo eventually net…