Well Marcus Morris did go ahead and renege on his contract agreement with the San Antonio Spurs. He and his agent Rich Paul found a more lucrative one year contract in New York. As expected, Morris went with the "best decision for my family" rationale.
Forward Marcus Morris tells @TheAthleticNBA@Stadium on reopening his free agency and signing with the Knicks on a one-year, $15M deal: “I had to make this decision based on the best situation for me and my family. This is no knock on the Spurs. I have respect for them.”