It was a busy holiday week for Mariners general manager Jerry Dipoto, as Seattle added four players to the team’s 40-man roster, with a fifth likely becoming official this week.



Seattle acquired pitcher Nestor Cortes Jr. from the Yankees in exchange for international pool money, signed pitcher Kendall Graveman to a one-year deal with a club option for 2021 and agreed to a one-year deal with infielder Patrick Wisdom. The team has also agreed to a one-year deal with reliever Carl Edwards Jr., but that deal has yet to be officially announced.



If you can see through this flurry of activity, you’ll notice the roster for next season beginning to take shape.



Not that it’s a finished product. With the Winter Meetings set to begin a week from today in San Diego, there could be more movement ahead, or at least discussions that might lead to future deals later this winter.



For now, let’s break down where the new pieces fit and what might...