Sysco tractor-trailers sit parked outside the company's distribution center in Louisville, Ky.
Luke Sharrett | Bloomberg | Getty Images
Jason Subotky of Yacktman Asset Management sold shares of a technology-dinosaur stock in favor of a food play for the "Squawk Box" Portfolio Challenge.
The value investor, who also owns Fox and Procter & Gamble in his model portfolio, decided to sell Cisco to buy shares of Sysco, as a potential merger deal remains in the horizon.
Here is why he is making the move.