Joe Highsmith of Lakewood, Washington, will be making his Wyndham Cup debut at Mayacama Golf Club. The rising junior earned the last boys spot on the West Team by finishing T2 at the Polo Golf Junior Classic, his second AJGA Invitational appearance. Highsmith has four top-10 finishes, including a win at the 2016 ACDS / Ryan Moore Junior at Oakbrook and is No. 18 in the AJGA Rankings.
| Rank | Event | R1 | R2 | R3 | R4 | Total |
| T2 | Polo Golf Junior Classic | 69 | 71 | 74 | 70 | 284 |
| T31 | PING Heather Farr Classic | 72 | 71 | 77 | 220 | |
| T58 | CB&I / Simplify Boys Championship at Carlton Woods | 75 | 75 | 76 | 226 | |
| T17 | 2016 U.S. Junior Amateur Championship | 73 | 73 | 146 | ||
| 1 | ACDS / Ryan Moore Junior at Oakbrook | 70 | 72 | 68 | 210 |