Raiders backup QB doubtful for first preseason game

Raiders backmost Marcus Mariota was not connected the signifier tract connected Thursday due to the fact that of a sore leg, and Raiders manager Jon Gruden said his availability for Saturday’s preseason crippled against the Seattle Seahawks astatine Allegiant Stadium is successful doubt.

Gruden said Mariota tweaked the limb precocious successful Sunday’s practice, but helium doesn’t judge the wounded is serious.

It is emblematic for the starting backmost to play minimally, if astatine all, successful the preseason opener, which means plentifulness of playing clip for the backup. The Raiders person not disclosed Derek Carr’s presumption for Saturday, but it was expected that Mariota would get important playing clip earlier handing things implicit to Nate Peterman.

The Raiders added backmost Case Cookus to the roster this week for preseason extent coverage.

Contact Vincent Bonsignore astatine vbonsignore@reviewjournal.com. Follow @VinnyBonsignore onTwitter.