The Seattle Mariners knocked down the first domino of the MLB trade deadline season when they acquired first baseman Josh Naylor from the Arizona Diamondbacks o

Ben Williamson was playing like a man trying to hang onto his job on Monday night, making six athletic plays at third base, nearly all of them remarkable, while going 2-for-3 with a run scored in the Mariners’ 3-1 win over the Athletics at Sutter Health Park.