Seahawks QB arrested: Seahawks QB Josh Portis arrested for DUI. Josh Portis needed all the help he could get in a battle to make the Seattle Seahawks' roster as a backup quarterback. That could be in jeopardy after an alleged offseason DUI. Josh Portis, expected to compete for the Seattle Seahawks backup quarterback job, was arrested on suspicion of DUI earlier this month, and will face a court date after blood tests revealed a higher-than-legal limit. Portis was pulled over after allegedly speeding on May 5, and tested a blood alcohol level of .092 -- higher than Washington's limit of .08. The 25-year-old had just signed a two-year contract for $480,000 a year in April. Since his signing, the Seahawks had also brought in Brady Quinn and Jerrod Johnson to compete for spots on the team's depth chart behind Russell Wilson. Quinn has NFL starting experience with the Browns, Broncos and the Chiefs, but Portis could have expected to fight Johnson -- who also has never played a