Here is a breakdown of five key players and some numbers that might have been a factor when the Mariners acquired them.

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The Mariners have followed a specific plan since general manager Jerry Dipoto and manager Scott Servais were hired in December, adding players to the roster who fit their philosophy. Here is a breakdown of five key players and some numbers that might have been a factor in acquiring them.

LHP Wade Miley

There are no sabermetric measures that highlight the value of Miley, which would make the Hammond, La., native quite happy. There are two stats perhaps more important: starts and innings pitched.

Miley has made 32 or more starts in each of the past four seasons and has thrown at least 193 innings, twice topping 200.

There is value in knowing a pitcher will take the ball every fifth day. It’s something Seattle hasn’t had with multiple starters the past few seasons. The Mariners also believe Miley should flourish in spacious Safeco Field and the more pitcher-friendly environment of the American League West vs. the smaller ballparks of the AL East.

Fans also will like the speed with which Miley works. With Mark Buehrle retired, Miley is the fastest-working pitcher in baseball, averaging 17.5 seconds between pitches.

LF Norichika Aoki

Aoki’s consistency is hard to find in Major League Baseball. Check out his batting average/on-base percentage the past four seasons:

  • 2012: .288/.355.
  • 2013: .286/.356.
  • 2014: .285/.349.
  • 2015: .287/.353.

The Mariners love to cite a player’s “track record.” Aoki’s track record is to get on base 3.5 times in every 10 plate appearances, which is higher than the league average. He fits their “control the zone” philosophy. In 2,203 big-league plate appearances, he has more walks (171) than strikeouts (169). The Mariners plan to bat him at the top of the order, hoping the high on-base percentage will provide more RBI opportunities for the middle of the order. The left-handed-hitting Aoki also hits left-handed pitching (.321 average) better than right-handed pitching (.271) giving the Mariners an everyday player instead of needing to platoon.

C Chris Iannetta

Iannetta is coming off the worst season of his career. In 2015 for the Angels, he played in 92 games and batted .188 with a .293 on-base percentage, with 10 doubles, 10 homers and 34 RBI.

And as bad as Iannetta played, he still would have been an improvement compared with the production the Mariners got from their catchers last season.

Five Mariners catchers combined to hit .159 with a .205 on-base percentage with 18 doubles, 12 homers and 38 RBI.

The Mariners should get improved production from Iannetta this season. Though he has never been a Mike Piazza-level hitter, Iannetta entered last season with a career .236 career batting average and a .771 OPS, highlighted by a .351 on-base percentage. For his career, Iannetta sees 4.13 pitches per plate appearance.

CF Leonys Martin

By numbers and reputation, Martin is the Mariners’ best defensive center fielder since Franklin Gutierrez was healthy in 2009.

Martin has all the tools of a good defensive outfielder. He has above-average speed and exceptional range. Scouts also rate his throwing arm as one of the best in baseball.

According to advanced metrics, Martin is considered a superior defensive player. Fangraphs’ Ultimate Zone Rating (UZR) — a metric that compares a play that happened (hit/out/error) to “data on similarly hit balls in the past to determine how much better or worse the fielder did than the ‘average’ player.” — rated Martin at 8.5. That means his defense saved 8.5 runs in his limited action last season. Martin’s UZR 150, which is the average runs saved per 150 games, was 15.4. Defensive Runs Saved above average (DRS) — a metric formulated by the Fielding Bible — put Martin at 15 runs saved last season, third-best among major-league center fielders.

1B Adam Lind

When was the last time the Mariners had a productive-hitting first baseman? It probably was Russell Branyan in 2009 when he hit .251 with an .867 OPS, including 21 doubles, 31 homers and 76 RBI.

Since then they have endured one dreadful season from Casey Kotchman, four seasons of unfulfilled potential from Justin Smoak and two uninspiring seasons from Logan Morrison.

Lind does a little of everything at the plate. The past three seasons, Lind is hitting .291 with a .364 on-base percentage and .478 slugging percentage. He also is a left-handed hitter who mashes right-handed pitching. It will work well at Safeco Field. Last season, he hit .291 with an .883 OPS against righties with 24 doubles, 20 homers and 87 RBI. For his career, in more than 3,200 plate appearances against right-handed pitchers, Lind is a .293 hitter with an .863 OPS.