With the reports over the weekend that the Spurs would sign Martin, the question was who San Antonio would waive to make room.
The Spurs just sent out back-to-back official press releases:
The San Antonio Spurs today announced that they have requested waivers on forward Rasual Butler.
Butler, who was in his first season with the Spurs, was signed as a free agent on Sept. 28, 2015. He saw action in 46 games for the Silver and Black, averaging 2.7 points and 1.2 rebounds in 9.4 minutes.
A 13-year NBA veteran, Butler has appeared in 809 career games, averaging 7.