Walker and the Suns agreed Thursday to a 10-day hardship contract, Shams Charania of The Athletic reports.
Walker figures to make his NBA debut at some point over the next 10 days. He's been playing in the G League for the Westchester Knicks, where he's averaged 10.4 points, 3.6 rebounds, 2.2 assists and 1.0 steals in 29.4 minutes.