Ole Gunnar Solskjaer insisted a lack of sharpness was the reason behind Manchester United conceding goals as he ruled out adding a centre-back in the transfer window.
Man Utd secured a 3-2 win at Brighton and Hove Albion on Saturday thanks to a last-gasp penalty from Bruno Fernandes, who converted from the spot in the 10th minute of additional time.
However, having conceded three times when losing their Premier League opener at home to Crystal Palace, defensive deficiencies were again a topic of conversation after the final whistle on the south coast.