Memphis Grizzlies General Manager Chris Wallace today announced the team has signed center Matt Costello and guard Kellen Dunham. Per team policy, terms of the deals are not disclosed.



Costello (6-9, 245) most recently was a member of the Atlanta Hawks’ preseason roster, coming off the bench in two games and averaging 4.0 points and 3.5 rebounds in 9.0 minutes. The 23-year-old Linwood, Mich. native went undrafted in the 2016 NBA Draft following a four-year collegiate career at Michigan State University, where he was named Second Team All-Big Ten by the media and Third Team All-Big Ten by the coaches as a senior.



Dunham (6-6, 205) last played for the Grizzlies at the 2016 Summer League in Las Vegas, making four reserve appearances and averaging 2.0 points and 1.0 rebounds in 8.9 minutes. The 23-year-old Pendleton, Ind. native was unselected in the 2016 NBA Draft after a four-year collegiate career at Butler University, where he was named First Team All-Big East as a junior.



The Grizzlies’ roster now stands at 20 players.



Fans who want to support the Memphis Grizzlies by purchasing 2016-17 Season Tickets or 12- and 22-Game Packs can do so now by calling (901) 888-HOOP or going online to grizzlies.com. Single Game Tickets are available for purchase at all Ticketmaster locations, Ticketmaster.com, the FedExForum Box Office, online at grizzlies.com or by calling 1-800-4NBA-TIX or (901) 888-HOOP.



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