The Kings recently addressed their need for a third-string point guard when they signed former NBA champion Matthew Dellavedova to a one-year deal, but now it seems Dellavedova will go into training camp with some competition. The Kings reached an agreement Monday on a one-year deal with two-time NBA champion Quinn Cook, a league sources told The Sacramento Bee, confirming a report from Andscape’s Marc J. Spears. A source with knowledge of the situation recently told The Bee the Kings were one of several teams engaged in talks with Cook, who spent the end of the 2021-22 season with the Stockto…