Gabbertsustainedahairlinefractureinhisrightthumbduringtheteam'ssecondpreseasongame,NikeShoesOnlineStoreChina,Aug.17attheNewYorkJets.Gabbertsatoutthefinaltwoexhibitions,andteamdoctorsthoughthewouldbehealthyenoughtoplayagainsttheChiefs.Hestartedgrippingafootballlastweekandmakingthrows.Butitremainstobeseenhowhisthumbwillholdupduringliveactionorwiththepoundingofsnaps.