Giles father, Harry Giles Jr., told ESPN in a text that his son's ACL was "partially torn."
Giles Jr., said his son still plans to announce his decision on what school he'll attend, on Friday from Oak Hill Academy (Virginia) at noon ET on SportsCenter.The four schools still involved with Giles' recruitment are Duke, Kentucky, Kansas and Wake Forest.
Giles, a senior at Oak Hill, was fouled 1:59 into the game on a drive to the basket and subsequently asked to be removed from the game.
The 6-foot-10 power forward previously tore his left ACL, MCL and meniscus but had sufficiently recovered from the injury to become the top recruit in 2016.
He suffered a broken third metacarpal in his left hand in practice in September but had recovered from that injury to suit up for Oak Hill.
The early signing period for college basketball runs from Wednesday through Nov. 18.
Giles ACL tear shouldn't impact long-term prospects
ESPN basketball Insider Jeff Goodman doesn't expect Harry Giles' ACL injury will affect his standing as a top college or NBA prospect.