Keown insists arsenal signing must be handed more opportunities

It seems like you're referring to a recent article or statement made by Kevin Keown, a former Arsenal player and current pundit. According to Keown, Arsenal should give one of their signings more opportunities to prove themselves.

Can you please provide more context or information about the article or statement you're referring to? Who is the Arsenal signing that Keown is talking about, and what position do they play? Additionally, what are Keown's specific comments about the player and why he thinks they should be given more opportunities?