Healsosaidhe'snotgoingtofretaboutthepossibilityofanotherheadinjurywhenhelinesupintheslotSunday."Idon'tworryabouttheconcussionsoranythinglikethat.Ijustfocusonmyassignment,mytechniqueandgooutthereandplaythebestIcan,BillRussellJersey,"hesaid.