Watch: Vermaelen almost decapitates Porto's Andre Silva for dismissal on debut
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Is Thomas Vermaelen suffering from a lack of match practice?
The former seldom-used Barcelona defender only signed for AS Roma on loan last week, and has made his introduction by receiving two quick-fire yellow cards to receive his marching orders at FC Porto.
The Giallorossi led through a Felipe own goal - another sorry competitive debut - but the dismissal of Vermaelen ensured a tough workload for the remainder of Wednesday's Champions League play-off first leg.