The Miami Heat are all in on building around their core that helped lead them to a 30-11 record the second half of the 2016-17 season (Richardson was hurt for much of that) and are signing 23-year-old 3-and-D wing Josh Richardson to a four-year, $42 million extension. [tweet https://twitter.com/wojespn/status/908086432996229120] Richardson dealt with some injury issues [...]