SEATTLE – Michael Chiesa was a heartbeat away from being saved by the bell when he reached his hand up and tapped out to Jorge Masvidal’s D’Arce choke at 4:59 of Round 2, thus ending “The Ultimate Fighter winner’s run among the ranks of the unbeatens. The lightweight bout closed out the preliminary card of today’s UFC on FOX 8 event at KeyArena in Seattle. It aired on FX following additional prelims on Facebook and ahead of a main card on FOX. Chiesa’s first professional loss was not without some bright spots. In the opening round he showed off improved striking, dropping Masvidal with a left hand before nearly finishing him with a guillotine choke. In the second frame, however, it was Masvidal who threatened with submissions, eventually locking up the D’Arce in the waning moments of round two