article_snippet.sent: United right back Rafael had to be taken off in the 44th minute after sustaining a rib injury during the reserve match .
article_snippet.sent: Louis van Gaal was hit by another injury when Rafael was forced off just before the break with an apparent rib injury after an aerial collision with Knockaert.
article_snippet.sent: Rafael looks in pain as Leicester's Knockaert checks on the Brazilian defender during the first half of the draw at the King Power Stadium .
article_snippet.sent: Rafael had to be replaced by Liam Grimshaw shortly before the half-time interval despite managing to get back onto Rafael feet .