A quarterback trade from Washington Redskins to Raiders was #13 Jay Schroeder.
I can't recall anyone else wearing that number for The Silver and Black. He later asked to be changed to #10 and his wish was granted. He did play for The Raiders and wore both numbers. I don't have any proof of this other than my own memory and watching Raiders games since 1963.
Who has worn #51 for the Oakland Raiders
16 different player have worn it over the last 50 years. Since 2010 it has been worn by Rod streater.
Marques Tuiasosopo
Kerry Collins
Terell Owens
Several players have worn the number 29 for the Oakland Raiders, most notably cornerback Nnamdi Asomugha, who had a standout career with the team. Other players include safety Mike Davis and running back Tyrone Wheatley. The number has been associated with defensive talent and contributions to the team's legacy.
Jim plunket Oakland raiders
Several players have worn number 58 for the Las Vegas Raiders (formerly Oakland and Los Angeles Raiders). Notably, linebacker Greg Beekman wore it during the 1970s. More recently, linebacker Neiron Ball also donned the number during his time with the team. The number has been associated with strong defensive players throughout the franchise's history.
Throughout the history of the Las Vegas Raiders, several players have worn the number 51 jersey. Notably, linebacker Kirk Morrison and offensive lineman Steve Wisniewski are among the most recognized players to don this number. Additionally, linebacker Ray Manley and defensive lineman John Parrella also wore number 51 during their tenures with the team. Each of these players contributed to the Raiders' legacy in their own way.
Jersey number 6 for the Oakland Athletics has been worn by several players, most notably by Hall of Famer Rickey Henderson during his time with the team. Henderson is widely regarded as one of the greatest leadoff hitters and base stealers in baseball history. The number 6 was also worn by other players, but Henderson is the most iconic figure associated with it in Athletics history.
Darian Durant and Kerry Joseph are players that has worn the number 4 for the Saskatchewan Roughriders.
This number is usually worn by goalkeepers such as Angelo Peruzzi.