Giovanni Reyna snatched a 93rd‑minute winner to hand Borussia Dortmund a 2‑1 comeback victory over Mainz 05 on Bundesliga Matchday 17. An early goal from Lee Jae‑sung was answered quickly by Julian Ryerson, but the game stayed dead‑locked until Reyna’s late tap‑in. The three points moved Dortmund within five of Bayern Munich and underlined their mental toughness. Mainz coach Bo Svensson praised his side’s fight despite the disappointment.