It Takes Two to Tango
The floor was just called over to Jonathan Aguiar's table. Apparently a hand had been dealt, and a player in early position had entered the pot before it was discovered one of the late position players had only been dealt a single card.
The floor came over and explained that unfortunately the player's hand was dead. "He can't play one card?" asked another player, eliciting a few chuckles. "No, you need two," was the response.
Another player in late position came in, and ultimately it was three to the flop, including Aguiar from the big blind. The flop came 
, and all three checked. The turn was the 
. Aguiar bet 50 and got one caller. The river was the 
. Aguiar checked, his opponent bet 100, and Aguiar let it go. Aguiar has about 2,700 at present.
"Your one card wasn't an ace was it?" asked the player who'd earlier queried the TD. "A deuce," was the reply.