These two Marlins prospects lost their minds over Justise Winslow's poster dunk on Monday

During Monday night's game against the Suns, Miami Heat forward Justise Winslow went ahead and put Phoenix's Marquese Chriss on a poster:

Winslow dots the❗️for #HeatCulture pic.twitter.com/LkqcUg8bJQ

— NBA (@NBA) March 6, 2018

As you might expect, just about every fan in the building immediately ascended to the rapture:

Same. pic.twitter.com/mJ45o1YOAc

— NBA (@NBA) March 6, 2018

But wait -- those two particular fans, they seem familiar. Haven't we seen them somewhere? Like, say, on a baseball diamond?

Huge thanks to @MiamiHEAT for showing my boys @Team_Harrison3 @bour41 @CameronMaybin and I a good time last night! Great win by the boys! #305Day

— Lewis Brinson (@LewisBrinson) March 6, 2018

Yes, that's Lewis Brinson and Monte Harrison -- Miami's top two prospects, according to MLB Pipeline -- left with their jaws on the floor. (While Brinson was there to support his hometown team, Harrison's allegiances were a bit more muddled: His brother, Shaq, plays for the Suns.) 
Now all we have to do is get Winslow and Harrison together in a gym, to find out just who can truly be called Miami's Greatest Dunker: