ALAMEDA – Raiders coach Hue Jackson poked fun Thursday at reports that said newly acquired quarterback Carson Palmer will start Sunday against the Kansas City Chiefs.

"I just laugh at all the reports – 'He's starting!' " Jackson said. "Everybody has made the decision for me. Thank you. I appreciate it."

Jackson said he hasn't decided who will start between Kyle Boller or Palmer, although he said he might "figure it out" tonight. Jackson did not rule out the possibility of making a game-time call.

"The truth of this whole situation is I still need to evaluate (Palmer) and give him an opportunity to feel comfortable with our football team, with himself," Jackson said. "Like (Palmer) said, he's been sitting on the couch, so what I want to do is make sure that at the end of the day I'm making the right decision for our football team, for our organization, for him, for everybody."

Offensive coordinator Al Saunders said Palmer, a two-time Pro Bowl selection in seven seasons with Cincinnati, has looked "terrific" in his first two days of practice with the Raiders.

"He's throwing the ball well," Saunders said. "He's moving around well and he's picking up everything, so we're excited to have him here, for sure."

Saunders, who has been an NFL coach since 1983, said he has never had a quarterback join a team in midweek and start five days later.

Palmer responded well, physically, his second day of practice and made progress grasping the Raiders' offense, Jackson said. He said other players on offense are "getting more comfortable" with how Palmer calls plays and delivers the snap count.

"You've had different voices out here for quite a few days since training camp, and then all of a sudden here's a different voice," Jackson said. "So the team has to get used to that, too."

Injury report – Cornerbacks Chimdi Chekwa (hamstring) and Chris Johnson (groin, hamstring), fullback Marcel Reece (ankle), running back Rock Cartwright (calf) and linebacker Rolando McClain (ankle) did not practice for the second consecutive day.

Safety Michael Huff (ankle), center Samson Satele (knee) and tight end Richard Gordon (hand) were limited in practice. Kicker Sebastian Janikowski (left hamstring) also was limited.

Raiders get extra day to sell out – The Raiders said they received a one-day extension from the league to attempt to sell out O.co Coliseum for Sunday's game and therefore allow the game to be televised locally. The first three home games this season were sellouts.

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