![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://i.ytimg.com/vi/w_suVQD1nV4/hq720.jpg?sqp=-oaymwE7CK4FEIIDSFryq4qpAy0IARUAAAAAGAElAADIQj0AgKJD8AEB-AH-CYAC0AWKAgwIABABGH8gSSgoMA8=&rs=AOn4CLByRVMlF8R_pcDYyU9ha77QYBhLBw)
Klay was happy to see Trayce hit a home run in the World Baseball Classic tonight
![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://a.espncdn.com/photo/2018/0417/r357939_1296x729_16-9.jpg)
Outfielder Trayce Thompson cut by the Oakland Athletics - ESPN
![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://a57.foxsports.com/fsvideoprod-a.akamaihd.net/img/Fox_Sports_Production/394/103/1280/1280/thompson_brothers_679015491977_mp4_video_1280x720_2500000_all_audio_8_350x197_679017539985.jpg?ve=1&tl=1)
Klay Thompson applauds younger brother Trayce's home run
![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://media.nbcsportsbayarea.com/2023/05/klay-thompson-trayce-thompson-warriors.jpg?quality=85&strip=all&resize=218%2C123)
Klay Thompson teases Giants fans, wants Dodgers to re-sign brother Trayce – NBC Sports Bay Area & California
![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://s.hdnux.com/photos/72/51/17/15373282/18/rawImage.jpg)
Klay's brother Trayce Thompson makes A's debut
![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://i.ytimg.com/vi/L2wvYZ58EcQ/sddefault.jpg)
LAD@SF: Klay Thompson cheers on his brother Trayce
![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://media.nbcsportsbayarea.com/2023/05/49ERS_MITCHELL_PRESSER_TREY_073022.jpg?quality=85&)
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![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://img.mlbstatic.com/mlb-images/image/upload/t_16x9/t_w640/mlb/qnekfftgh0q1ohytgr11)
Trayce Thompson channeled his NBA-playing brother Klay with a leaping, HR-robbing catch
![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://nypost.com/wp-content/uploads/sites/2/2022/07/trayce-thompson.jpg)
Klay Thompson slugs beer at brother Trayce's Dodgers game
![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://media.nbcsportsbayarea.com/2023/05/49ers_Talk_on_Jimmy_G_073122.jpg?quality=85&)
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![Klay Thompson celebrates brother Trayce's first Cubs home run – NBC Sports Bay Area & California](https://staticg.sportskeeda.com/editor/2022/08/4eb2f-16617572699754-1920.jpg?name=small)
WATCH: Golden State Warriors superstar's brother Trayce Thompson hits a home run for the Los Angeles Dodgers