Jeremy Lamb has a usage of 20.4 percent without Kemba Walker in his career.

jeremy lamb usage rate without kemba walker this
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NAMEGPUSG%MPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Jeremy LambJeremy Lamb26220.418.68.52.81.40.70.30.73.17.342.71.03.035.11.31.488.24,8852,23173936118689185423+76
StatMuse has game-level data for usage percentage going back to the 1984-85 season.