The San Francisco 49ers signed tight end George Kittle to a four-year, $76.4 million contract extension, a source familiar with the agreement told UPI on Tuesday.

George Kittle is ending April as a very happy man. Early Tuesday morning, it was announced that Kittle and the San Francisco 49ers have agreed to a blockbuster contract extension. The four-year, $76.4 million deal was first announced by Taylor Lewan,

Heading into a new NFL season, San Francisco 49ers intended to tie up all their loose ends, but one of them put up more resistance. After George Kittle's agitations and resistance