Earlier, when Aussie debutant Phillip Hughes fell with just 18 runs added to his overnight century and Neil Dexter edged a mis-hook to slip to depart for 72, Middlesex looked as if they might even be forced to follow-on as Garnett Kruger bowled Glamorgan into the ascendancy.

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Pietersen's exasperation was evident but he was at least able to have a hand in Smith's dismissal, safely pouching the mis-cued hook.

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