The Oakland Raiders offensive coordinator Todd Downing, right, talks to back up quarterbacks Ej Manuel (3), Connor Cook (18) and quarterback Derek Carr, second left, during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders offensive coordinator Todd Downing, second right, talks to back up quarterbacks Ej Manuel (3), Connor Cook (18) and quarterback Derek Carr, second left, during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders Todd Downing watches as back up quarterback Ej Manuel (3) prepares to throw a pass during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders back up quarterback Ej Manuel (3) throws a pass between quarterback Derek Carr, right, and backup quarterback Connor Cook (18) during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders back up quarterback Ej Manuel (3) prepares to pass the ball during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders quarterback Derek Carr prepares to pass the ball during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders defensive end Chris Casher hits the tackling dummy during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders defensive tackle Darius Latham hits the tackling dummy during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders defensive tackle Justin Ellis hits the tackling dummy during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders defensive end Khalil Mack hits the tackling dummy during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders wide receiver Keon Hatcher (4) runs a drill during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders wide receiver Keon Hatcher (4) runs a drill during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders wide receiver Amari Cooper (89) and wide receiver Ishmael Zamora (8) prepare for conditioning drills during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders wide receiver Amari Cooper (89) and wide receiver Ishmael Zamora (8) prepare for conditioning drills during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders backup quarterback Ej Manuel (3) and cornerback Breon Borders (31) walk off the field during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders offensive tackle Marshall Newhouse during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders defensive linebacker Brady Sheldon (41), backup quarterback Connor Cook (18), and wide receiver Johnny Holton (16) run off the field during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders players, including tight end Jared Cook (87) and offensive lineman Kareem Are (60) warm up during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders players, including tight end Jared Cook (87) and offensive lineman Kareem Are (60) warm up during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders defensive end/linebacker James Cowser, second left, during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
The Oakland Raiders backup quarterbacks Connor Cook, left, and Ej Manuel stretch during the second day of teams practice at Raiders Napa Valley training complex in Napa., Calif., on Sunday, July 30, 2017. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
On Day 2 of Raiders training camp, Marshawn Lynch gave the fans up in Napa, California, a few dynamic runs, and Marshall Newhouse discussed the challenges of playing at both offensive tackle spots.
With the pads coming out Monday, Review-Journal reporters Ed Graney and Michael Gehlken breakdown the position battles, including the No. 2 backup quarterback job.
Check out the video above.
More Raiders: Follow all of our Oakland Raiders-to-Las Vegas coverage online at reviewjournal.com/Raiders and @NFLinVegas on Twitter.