A Stanley Cup Final reporter looked more athletic than a lot of the Florida Panthers did on Monday night ... using some quick-thinking reflexes to keep an obnoxious fan out of her live shot.
The wild moment all went down toward the end of the Golden Knights' 7--2 blowout win over the Panthers in Las Vegas ... when Samantha Rivera was trying to recap Florida's loss on camera.
As the CBS Miami reporter was setting the scene at T-Mobile Arena for her viewers ... a fan tried to photobomb her shot -- and Rivera was having absolutely none of it.