Matthew Polinsky (born February 24, 1984) is an American sports commentator, university professor, and retired professional wrestler. He is signed to WWE, where he performs as a commentator under the ring name Corey Graves; also providing English commentary in its sister promotion, Lucha Libre AAA Worldwide. As a former in-ring competitor, he is a one-time NXT Tag Team Champion. In 2014, Polinsky announced his official in-ring retirement due to his concussion issues and revealed that he would be joining NXT's commentary team with immediate effect. In 2021, he won the WWE 24/7 Championship despite still being retired. Polinsky is also known for his work on the independent circuit under the ring name Sterling James Keenan.

Filmography

• 2026AAA Noche de Los Grandes 2026 - Week 1 — Corey Graves
• 2026AAA Ola de Calor 2026 — Corey Graves
• 2026AAA Rey De Reyes 2026 - Week 1 — Corey Graves
• 2026AAA Triplemanía 34 - Friday — Corey Graves
• 2026AAA Triplemanía 34 - Sunday — Corey Graves
• 2026AAA Verano de Escándalo 2026 - Week 1 — Corey Graves
• 2026AAA Verano de Escándalo 2026 - Week 2 — Corey Graves
• 2026AAA Verano de Escándalo 2026 - Week 3 — Corey Graves
• 2026WWE Clash in Italy — Corey Graves
• WWE Lucha Libre AAA — Corey Graves
• 2026WWE Night of Champions 2026 — Corey Graves
• 2026WWE SummerSlam 2026 Saturday Post-Show — Corey Graves
• 2026WWE SummerSlam 2026 Sunday Post-Show — Corey Graves
• 2026WWE SummerSlam 2026: Saturday — Corey Graves
• 2026WWE SummerSlam 2026: Saturday - Countdown — Corey Graves
• 2026WWE SummerSlam 2026: Sunday — Corey Graves
• 2026WWE/AAA Worlds Collide 2026: Chicago — Corey Graves
• 2025AAA Guerra de Titanes 2025 — Corey Graves
• 2025AAA Triplemanía XXXIII — Corey Graves
• 2025NXT The Great American Bash 2025 — Corey Graves
• 2025WWE NXT Battleground 2025 — Corey Graves
• 2025WWE NXT Stand & Deliver 2025 — Corey Graves
• 2025WWE/AAA Worlds Collide 2025 — Corey Graves
• 2025WWE/AAA Worlds Collide 2025: Las Vegas — Corey Graves
• 2024Saturday Night's Main Event XXXVII — Corey Graves
• 2024WWE Clash at the Castle 2024 — Corey Graves
• 2024WWE Countdown to Crown Jewel — Corey Graves
• 2024WWE Elimination Chamber 2024: Perth - Kickoff — Corey Graves
• 2024WWE Elimination Chamber Press Event 2024 — Corey Graves
• 2024WWE Elimination Chamber: Perth — Corey Graves
• WWE Speed — Corey Graves
• 2024WWE Survivor Series: WarGames 2024 Post-Show — Corey Graves
• 2023WWE Elimination Chamber 2023 — Corey Graves
• Corey & Carmella — Corey Graves
• 2022WWE Day 1 2022 — Corey Graves
• 2022WWE Hall Of Fame 2022 — Corey Graves
• 2022WWE WrestleMania 38: Saturday — Corey Graves
• 2022WWE WrestleMania 38: Sunday — Corey Graves
• 2022WWE WrestleMania Backlash 2022 — Corey Graves
• 2021My Way: The Life and Legacy of Pat Patterson — Corey Graves
• 2021WWE Crown Jewel 2021 — Corey Graves
• 2021WWE Extreme Rules 2021 — Corey Graves
• 2020A Future WWE: The FCW Story — Corey Graves
• The Best of WWE — Corey Graves
• 2020The Main Event — Corey Graves
• 2020WWE Hell in a Cell 2020 — Corey Graves
• 2019WWE Money in the Bank 2019 — commentators
• 2019WWE Royal Rumble 2019 — Corey Graves
• WWE Chronicle — Corey Graves (Self)
• 2018WWE Fastlane 2018 — Corey Graves
• 2017NXT TakeOver: Brooklyn III — Corey Graves
• 2017NXT Takeover: San Antonio — Matt Graves
• 2017NXT.TakeOver.Brooklyn.III.Pre.Show — Corey Graves
• 2017NXT: From Secret To Sensation
• 2016NXT TakeOver: The End — Corey Graves
• 2016NXT Takeover: Brooklyn II — Corey Graves
• 2016NXT Takeover: Toronto — Corey Graves
• 2016NXT's Greatest Matches Vol. 1 — Corey Graves
• 2016The Authentic Untold Story of ECW — Corey Graves
• The Edge and Christian Show That Totally Reeks of Awesomeness — Corey Graves
• WWE 205 Live — Corey Graves / Commentary
• WWE Cruiserweight Classic — Corey Graves
• 2015E:60 – WWE: Behind The Curtain
• 2015NXT All Star Panel — Corey Graves
• 2015NXT TakeOver: Rival — Corey Graves
• 2015NXT TakeOver: Unstoppable — Corey Graves
• 2015WWE NXT Live: From San Jose 2015 — Corey Graves
• WWE Main Event
• 2011Kingdom of Gladiators — Gunnar
• WWE NXT — Corey Graves, corey graves, COREY GRAVES
• Ring of Honor Wrestling — Sterling James Keenan
• 20071PW: First Anniversary Show — Sterling James Keenan
• 2006ROH: In Your Face — Sterling Keenan
• 2006ROH: Tag Wars 2006 — Sterling Keenan
• 2005ROH: Buffalo Stampede — Sterling Keenan
• 2005ROH: Redemption — Sterling James Keenan
• 2003ROH: Retribution - Round Robin Challenge II — Sterling James Keenan
• WWE Friday Night SmackDown — Corey Graves, Self - Host
• Raw — Corey Graves

Appearances as themselves (3)

• 2024Bray Wyatt: Becoming Immortal — Self
• 2018Wrestlemania's Greatest Moments — Self - Host
• WWE Culture Shock with Corey Graves — Self - Corey Graves