The Memphis Grizzlies announced today that the team has added guard Grayson Allen and forward Brandon Clarke to the team’s MGM Resorts NBA Summer League 2019 roster. The team’s updated roster is below.
| No. | Player | Pos. | Ht. | Wt. | Birthdate | Pre-Draft Team | Last Played | Nationality | NBA Yrs |
| 19 | Peyton Aldridge | F | 6-8 | 225 | 11/10/1995 | Davidson | Vanoli Cremona (Italy) | USA | R |
| 3 | Grayson Allen | G | 6-5 | 198 | 10/8/1995 | Duke | Utah Jazz (NBA) | USA | 1 |
| 27 | Shaq Buchanan | G | 6-3 | 190 | 1/30/1997 | Murray State | Murray State (NCAA) | USA | R |
| 5 | Bruno Caboclo | F | 6-9 | 218 | 9/21/1995 | Pinheiros (Brazil) | Memphis Grizzlies (NBA) | Brazil | 5 |
| 15 | Brandon Clarke | F | 6-8 | 210 | 9/19/1996 | Gonzaga | Gonzaga (NCAA) | Canada | R |
| 36 | Keenan Evans | G | 6-3 | 190 | 8/23/1996 | Texas Tech | Delaware Blue Coats (NBA G League) | USA | R |
| 8 | Dusty Hannahs | G | 6-3 | 210 | 9/2/1993 | Arkansas | Memphis Grizzlies (NBA) | USA | 1 |
| 16 | Tyler Harvey | G | 6-4 | 185 | 7/17/1993 | Eastern Washington | Memphis Hustle (NBA G League) | USA | R |
| 29 | Lyle Hexom | F | 6-8 | 225 | 3/2/1995 | Peru State | Peru State (NAIA) | USA | R |
| 46 | John Konchar | G | 6-5 | 210 | 3/22/1996 | Purdue Fort Wayne | Purdue Fort Wayne (NCAA) | USA | R |
| 28 | Ben Lawson | C | 7-1 | 230 | 6/12/1995 | Western Kentucky | Fukuoka Rizing (Japan) | UK | R |
| 37 | Paris Lee | G | 6-0 | 185 | 4/20/1995 | Illinois State | Port of Antwerp (Belgium) | USA | R |
| 14 | Doral Moore | C | 7-1 | 280 | 1/21/1997 | Wake Forest | Memphis Hustle (NBA G League) | USA | R |
| 10 | Ivan Rabb | F/C | 6-10 | 220 | 2/4/1997 | California | Memphis Grizzlies (NBA) | USA | 2 |
| 26 | Simi Shittu | F/C | 6-10 | 240 | 11/7/1999 | Vanderbilt | Vanderbilt (NCAA) | UK | R |
| 4 | Julian Washburn | F | 6-8 | 210 | 12/18/1991 | UTEP | Memphis Grizzlies (NBA) | USA | 1 |
| 18 | Yuta Watanabe | F | 6-9 | 205 | 10/13/1994 | George Washington | Memphis Grizzlies (NBA) | Japan | 1 |
MGM Resorts NBA Summer League 2019 will feature all 30 NBA teams as well as the Chinese and Croatian National Teams, and ESPN networks and NBA TV will combine to televise the entire 11-day, 83-game schedule live.