Zach Randolph officially signed a two-year contract extension with Memphis on Monday worth $20 million. He also decided to opt in to his $16.5 million player option for the 2014-15 season, so he'll be with the Grizzlies for another three years. "Zach has become a cornerstone of our franchise, and his contributions have been immense not just on the court but in the Memphis community," said Grizzlies Interim General Manager Chris Wallace. "Through that process, he's become one of the most popular Grizzlies in the history of the organization."