You'd be surprised how often teams still try it. Yes the Rotherhams of this world pack the defence and show no ambition to get forward, but many don't. Look at the millwall game.
Goal 1 Engel: Millwall were high up the field, high press, and one pass from Glover to Greenwood had them in trouble their high line were retreating and they never got back in balance. Greenwood has already advanced 20 yards with teh ball with this shot, and millwall have retreated 10-15 yards from their high line.
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Goal 2: Jones from Azaz ball, you can see how high the last defender is, the one 'marking' Jones, there's a 35-40 yard gap behind him and that's what did him, he knew if the ball went over his head he was toast, but he also knew that he wasn't in a position to get any sort of clean header on it
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Goal 3 Forss: Again Millwall have a high line10-15 from the halfway line. Forss is visible and is on the last man.
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Happens a lot particularly away form home.