Deniz Undav scored a goal in the last minute of stoppage-time to rescue VfB Stuttgart a point in a breathless 3-3 Bundesliga draw with promoted Heidenheim on Easter Sunday. Stuttgart took a 2-0 lead with goals from top scorer Serhou Guirassy in the 41st minute and Angelo Stiller, who scored his first goal for the club in the 53rd. But a terrible mistake from Alexander Nübel allowed Heidenheim back into the game as the goalkeeper scooped Tim Kleindiesnt’s header from a corner into the net. Kleindiesnt went on to complete a brace with goals in the 84th and 85th. The guests were heading towards a…