The May 27 deadline for NBA draft withdrawals approaches, with several high-profile players' decisions poised to reshape the 2026-27 college basketball landscape. Tyler Tanner of Vanderbilt and Koa Peat of Arizona are among the most impactful names still weighing their options after last week's combine.

Tanner's potential return would anchor Vanderbilt as a top-15 team and preseason All-American point guard, following his 27-win, NCAA tournament season. Without him, the Commodores face a dramatic reset. Peat's choice is equally critical for Arizona; his return would restore a formidable frontcourt alongside Ivan Kharchenkov and Motiejus Krivas, potentially elevating the Wildcats to title contention.

Other pivotal decisions include Christian Anderson (Texas Tech), likely departing for the draft after an 18.5 PPG, 7.4 APG season, and Morez Johnson Jr. (Michigan), expected to stay in the draft after a national championship run. The outcomes will directly determine conference races and NCAA tournament hopes for numerous programs.