Dyson, 32, was acquired from Kansas City in exchange for right-handed pitcher Nathan Karns on Jan. 6. Last season, he hit .278 (83x299) with 46 runs, 14 doubles, 8 triples, 1 home run, 25 RBI and 30 stolen bases in 107 games with the Royals. The 5-foot-10, 160-pound outfielder tallied at least 30 stolen bases for the 4th time in the last 5 seasons (2012-16), one of five players to accomplish this feat. Dyson hit safely in a career-best 10 consecutive games last season, batting .372 (16x43) with 10 runs, 1 double, 1 triple, 3 RBI and 5 stolen bases from Sept. 2-17. Since 2012, Dyson has recorded 156 stolen bases, T6th-most in the Majors (also: Ben Revere) during that time span. In parts of the 7 Major League seasons with the Royals (2010-16), he is a career .260 (355x1365) hitter with 48 doubles, 29 triples, 7 home runs, 101 RBI and 176 stolen bases in 550 career games.
Martin, 28 (turns 29 on March 6), hit .247 (128x518) with 72 runs, 17 doubles, 3 triples, 15 home runs, 47 RBI and 24 stolen bases in 143 games with the Mariners last season. He posted single-season career-highs in runs (72), home runs (15), walks (44) and total bases (196). Martin recorded 14 stolen bases, marking his 3rd season with at least 20 steals in the last 4 years. The 6-foot-2, 200-pound outfielder was one of 4 center fielders in the Major Leagues last season to hit 15 or more home runs and record 20 or more stolen bases, joining Ian Desmond, Odubel Herrera and Mike Trout. His 11 outfield assists ranked 2nd among American League center fielders, trailing only Boston's Jackie Bradley Jr. (13). Martin was acquired from Texas along with right-handed pitcher Anthony Bass in exchange for right-handed pitcher Tom Wilhelmsen, outfielder James Jones and a Player to Be Named Later (Patrick Kivlehan) on Nov. 16, 2015. In parts of 6 Major League seasons with the Rangers (2011-15) and Mariners (2016-c), the native of Villa Clara, Cuba, is a career .252 (467x1850) hitter with 240 runs, 69 doubles, 18 triples, 35 home runs and 167 RBI in 572 career games.
Paxton, 28, went 6-7 with a 3.79 ERA (51 ER, 121.0 IP) with 117 strikeouts and 24 walks in 20 starts with Seattle last season. The native of Ladner, British Columbia, Canada, compiled a record of 3-2 with a 3.23 ERA (20 ER, 55.2 IP) with 56 strikeouts and 7 walks in his final 9 starts of 2016. He averaged 8.70 strikeouts-per-9.0-innings (117 K, 121.0 IP), the highest rate of his career while also averaging a career-best 4.74 strikeouts-per-walk (117 K, 24 BB). The 6-foot-4, 220-pound left-hander began the season with AAA Tacoma before being recalled to Seattle on June 1. In 11 starts with Tacoma last season, Paxton went 4-3 with a 3.73 ERA (21 ER, 50.2 IP) with 53 strikeouts and 15 walks. He was originally selected by the Mariners in the 4th round of the 2010 MLB First-Year Player Draft. Over parts of 4 Major League seasons with Seattle, Paxton has a career record of 18-15 with a 3.43 ERA (109 ER, 286.0 IP) with 253 strikeouts and 89 walks in 50 career starts.
Scribner, 31 (turns 32 on July 19), did not allow a run in 12 relief appearances with Seattle last season. He recorded 15 strikeouts and 2 walks while allowing 5 hits over 14.0 innings pitched. The 6-3, 190-pound right-hander was placed on the 15-day disabled list on April 3 (retroactive to March 25) with a strained right latissimus dorsi muscle and was transferred to the 60-day DL on May 29. Scribner made 8 rehab appearances (2 starts) with the AZL Mariners, advanced-A Bakersfield, AA Jackson and AAA Tacoma, posting a record of 0-1 with a 6.48 ERA (6 ER, 8.1 IP) with 14 strikeouts and 3 walks. He was recalled from AAA Tacoma and activated from the 60-day DL on Sept. 1. The following day (9/2), he made his 2016 debut with 1.0 scoreless inning vs. Los Angeles-AL, marking his first Major League appearance since Aug. 31, 2015 with Oakland vs. the Angels. Scribner was acquired by Seattle from Oakland in exchange for right-handed pitcher Trey Cochran-Gill on Dec. 8, 2015. In parts of 6 Major League seasons with San Diego (2011), Oakland (2012-15) and Seattle (2016), he has compiled a career record of 5-2 with 1 save and a 3.84 ERA (69 ER, 161.2 IP) with 149 strikeouts and 29 walks.
Segura, 26 (turns 27 March 17), hit .319 with 203 hits, 102 runs, 41 doubles, 7 triples, 20 home runs, 64 RBI and 33 steals in 153 games with Arizona last season. His on-base percentage of .368 and slugging percentage of .499 gave him an OPS of .867. Segura batted lead off in 147 games, hitting all of his home runs from that spot, including 8 homers to lead off a game. Among NL leadoff hitters, ranked first in hits (198), tied for first in triples (7), second in total bases (310), tied for second in homers (20), third in RBI (63) and fifth in average (.319). He posted a 6.9 WAR, second highest in NL to Kris Bryant (8.3) and best by a NL second baseman since Chase Utley in 2009 (7.4) [source: STATS LLC] . Segura, who played 142 games at second base and 23 at shortstop last season, finished 13th in the NL MVP voting.
His combination of 20+ home runs, 30+ steals, 40+ doubles, 100+ runs, 200+ hits and a .300+ average has only been done five times since the start of the 2000 season. Segura joined Alfonso Soriano (2002 w/NYY), Hanley Ramirez (2007 w/FLA), Jacoby Ellsbury (2011 w/BOS) and Jose Altuve (2016 w/HOU).
Smyly, 27, established career-highs last season with 30 starts, 175.1 innings and 167 strikeouts. He finished the season 7-12 with a 4.88 ERA (95 ER, 175.1 IP) with 167 strikeouts in 30 starts with Tampa Bay. Among left-handed pitchers last season, Smyly ranked 7th in fewest walks-per-9.0-innings with a mark of 2.52 (49 BB, 175.1 IP). Over his final 12 starts of the season, he was 5-1 with a 3.73 ERA (29 ER, 70.0 IP) after opening the year 2-11 with a 5.64 ERA (66 ER, 105.1 IP) in his first 18 starts. He recorded four double-digit strikeout games, a mark topped by only three American League pitchers: Boston's David Price (7), Detroit's Justin Verlander (7) and Tampa Bay's Chris Archer (6). He was one of 10 American League left-handers to make 30 starts and toss at least 175.1 innings last season.
Valencia, 32, hit .287 (135x471) with 72 runs, 22 doubles, 1 triple, 17 home runs, 51 RBI and a .346 on-base percentage in 130 games with Oakland, setting career highs in runs (72) and walks (41). He led the American League in line drive percentage (28.5%). Against left-handed pitching this past season, he hit .318 (41x129) with 7 doubles, 7 home runs, 19 RBI and a .924 OPS. Defensively, he appeared at all four corner positions: first base (18 G, 15 GS), third base (68 G, 67 GS), left field (1 GS) and right field (37 G, 36 GS).
Vincent, 30, was 4-4 with 3 saves and 3.73 ERA (25 ER, 60.1 IP) with 65 strikeouts in 60 relief appearances last season. Among Mariners relievers, finished second on the club in appearances and innings, and third in strikeouts despite spending over a month (June 29, retro to June 27, to Aug. 7) on the disabled list with a mid-back strain. Vincent was acquired by Seattle from San Diego on March 30, 2016.