Boxing superstar Ryan Garcia just caught the first L of his career ... and it wasn't at the hands of Tank Davis or Luke Campbell -- he got beat up by some TikTok stars!!!
Okay ... so, that's not true at all. BUT, the 22-year-old phenom *did* hit the gym with the uber-popular social media stars Dixie D'Amelio and Addison Rae on Wednesday ... and they all took part in the "Body Shot Challenge!!"
Of course, we've seen Garcia's viral trend in the past with guys like Logan and Jake Paul .