Pretty random reference. I don't remember it being a thing.
https://awfulannouncing.com/nbc/sports-now-pabst-perloff-fanta-in-60.html
"they'll use a phrase borrowed from basketball substitutions, calling for "a 20," the way Jason Kidd used to at Cal, to signal they need another 20 seconds before moving to the next topic."
https://awfulannouncing.com/nbc/sports-now-pabst-perloff-fanta-in-60.html
"they'll use a phrase borrowed from basketball substitutions, calling for "a 20," the way Jason Kidd used to at Cal, to signal they need another 20 seconds before moving to the next topic."