The phrase "dramatic comeback" means a situation where someone or something makes an impressive and unexpected return after a period of struggle or being behind. Full definition
Barca went into tonight's clash with PSG trailing 4 - 0 on aggregate, but completed the most dramatic comeback in Champions League history to book their place in the quarter - finals. (caughtoffside.com)
In fourth place, 11 1/2 games behind the Phillies on Aug. 12, Pittsburgh had nearly made one of the most dramatic comebacks in baseball history. (si.com)
Saturday's dramatic comeback at Manchester City left things looking rosy in the Manchester United camp — but the Mirror reports that there could be soon be a fly in the ointment. (espnfc.com.ar)