Source: 49ers exercise option for fullback Kyle Juszczyk - ESPN
49ers FB Kyle Juszczyk out 4 to 6 weeks with MCL sprain
49ers 31, Browns 3: Report card
Kyle Juszczyk Expected to Miss 4-6 Weeks with MCL Sprain
San Francisco 49ers, Kyle Juszczyk agree to 5-year NFL deal
49ers star fullback Kyle Juszczyk working back from injury
Cloverleaf's Kyle Juszczyk catches touchdown pass in Super Bowl
Kyle Juszczyk signs largest contract for a fullback with 49ers - Sports Illustrated
49ers Kyle Juszczyk out four to six weeks with knee sprain
49ers roster 2021: Kyle Juszczyk must be used more on offense
Kyle Juszczyk: Why the fullback won't re-sign with 49ers for 2021
49ers news: Kyle Juszczyk re-signed to 5-year deal
49ers star fullback Kyle Juszczyk working back from injury
AP Source: Kyle Juszczyk signs five-year, $27M deal with 49ers
49ers fullback Kyle Juszczyk has finger surgery, likely out against the Rams - The Athletic