 Complete the following phrase:  On January 26, 2018, after the Bills made their first playoff appearance since 1999, Wood announced that he had failed his end-of-season physical and would no longer be cleared to play professional football. Adam Schefter of ESPN said the cause of the failed physical, a neck injury, was partially due to wear and tear, but also part of a complicated medical situation Wood later specified that the disc between his second and third vertebrae had come dangerously close to his spinal cord, which he suspected happened during the week 6 game of the 2017 season. Wood had played through the entire 2017 season, handling every offensive snap that year without missing any. He had intended to wait until after the 