Learn About NFL - San Francisco 49ers Quiz

Sourdough Sam is the correct answer because he is the official mascot of the San Francisco 49ers. Sourdough Sam is a character that represents the team and is often seen at games and events, interacting with fans and promoting team spirit. The other options, Pistol Pete, Bill, and Frank the 49er, are not associated with the San Francisco 49ers and therefore not the correct answer.

Jerry Rice had his number retired in 2010 because he is widely regarded as one of the greatest wide receivers in NFL history. He spent the majority of his career with the San Francisco 49ers and was a key part of their success during the 1980s and 1990s. Rice holds numerous NFL records, including most career receptions, receiving yards, and touchdowns. His exceptional performance and contributions to the 49ers organization made him deserving of having his number retired.

Frank Gore attended the University of Miami, where he played college football for the Hurricanes. Gore had a productive college career despite suffering two significant knee injuries. He was drafted by the 49ers in the third round of the 2005 NFL Draft and went on to become the franchise's all-time leading rusher.

Patrick Willis played college football at the University of Mississippi, commonly known as Ole Miss. Willis was a dominant linebacker for the Rebels and won the Butkus Award as the nation's top linebacker in 2006. He was drafted by the 49ers in the first round of the 2007 NFL Draft and became a cornerstone of their defense.

Anquan Boldin attended Florida State University, where he played college football as a wide receiver. Boldin had a successful college career with the Seminoles before being drafted by the Arizona Cardinals in the second round of the 2003 NFL Draft. He later joined the 49ers, bringing his veteran experience and playmaking ability to the team.

Michael Crabtree played college football at Texas Tech University. He was a standout wide receiver for the Red Raiders and won the Fred Biletnikoff Award as the nation's top receiver in 2007 and 2008. Crabtree's impressive college career led to him being selected by the San Francisco 49ers in the first round of the 2009 NFL Draft.

Mike Singletary was the head coach of the San Francisco 49ers for the 2010-11 season. He took over as head coach in 2008 and remained in that position until December 2010. Singletary had a notable career as a former NFL player and was known for his intensity and leadership skills. However, his tenure as head coach of the 49ers was not as successful, as the team struggled during his time in charge.

Marcus Lattimore is the correct answer because he was a running back from South Carolina who was selected by the San Francisco 49ers in the 2013 NFL Draft. Lattimore had a promising career in college but suffered multiple serious knee injuries that limited his playing time in the NFL. Despite his talent, his injury history made him an oft-injured player.

In March 2014, the San Francisco 49ers traded for quarterback Blaine Gabbert from the Jacksonville Jaguars. Gabbert, who was the 10th overall pick in the 2011 NFL Draft, was brought in to serve as a backup and provide depth at the quarterback position.

Vernon Davis played college football at the University of Maryland, an ACC school. Davis was known for his exceptional athleticism and versatility as a tight end. He was drafted by the 49ers in the first round of the 2006 NFL Draft and became one of the league's top tight ends.

Justin Smith played college football at the University of Missouri. Smith was a standout defensive lineman for the Tigers before being selected by the Cincinnati Bengals in the first round of the 2001 NFL Draft. He later joined the 49ers, where he became a key player on their defensive line.

Eric Reid attended Louisiana State University (LSU), where he played college football as a safety. Reid was known for his strong defensive play and leadership on the field. He was drafted by the 49ers in the first round of the 2013 NFL Draft and quickly became an important part of their secondary.

The San Francisco 49ers played against the Dallas Cowboys in the 2014 regular season opener. The game took place on September 7, 2014, and the 49ers won with a score of 28-17.

Anthony Dixon played college football at Mississippi State University. As a Bulldog, Dixon was a powerful and productive running back. He was selected by the San Francisco 49ers in the sixth round of the 2010 NFL Draft and contributed to the team as a fullback and special teams player.

Joe Staley played college football at Central Michigan University. Initially starting as a tight end, he transitioned to offensive tackle, where he excelled. Staley was drafted by the 49ers in the first round of the 2007 NFL Draft and became a key player on their offensive line.