Last season with the 49ers, the 31-year-old tight end racked up 78 receptions for 1,106 yards and eight touchdowns in 15 games. He was rewarded for that production with a new four-year, $76.4 million contract extension back in April.

San Francisco 49ers tight end George Kittle suffered a hamstring injury in the second quarter against the Seattle Seahawks and did not return to the game.

George Kittle will not return to Sunday's game against the Seahawks after suffering a hamstring injury in the second quarter.