Seager hopes to boost his on-base percentage this year by better controlling the strike zone, the Tacoma News Tribune reports.

EDGE Analysis

The Mariners' new regime wants to see improved OBP this season after ranking 22nd last year at .311. Seager's OBP last year was .328, 12th among third basemen. He has good strikeout (14.3 percent) and contact (84 percent) rates, but could stand to draw more walks (7.9 percent).