Cedric Kane’s 11 (4)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

replacing “11” with the solution to 11ac, MIDDLE NAME, makes the clue: Cedric Kane’s middle name (4) with “name” as the definition for RICK and wordplay RICK as the “middle” of [Ced]-RIC K-[ane]