"Probably" being a very key word - neither you nor me know if that's not a statement you're making up based on an assumption that he looked like he might've had some form of head injury because he fell awkwardly. Barkley, as much as I like him, 90% of the time lacks the final ball we all want/wish he had, so he could come on and not touch the ball for the remainder of the game, or just give it away/make the wrong pass when it matters.
Last time we went "Oh let's just attack and not bother about defending" we lost 0:4. Remember that? Cuz I do, wasn't great.