former light-welterweight world champion will face former light-welterweight world champion kell brook in june .
khan , who was also linked with bouts against adrien broner and keith thurman , said he was already deep in negotiations to fight somebody else .
algieri -lrb- left -rrb- lost his last bout against manny pacquiao in november - his first defeat in his professional career .
algieri was knocked down six times en route to be rubber-stamped .