Seattle Mariners Executive Vice President & General Manager of Baseball Operations Jerry Dipoto announced today the following roster moves:
Seattle's 40-man roster is now at 38 players.
Garton, 27 (turns 28 on Dec. 5), went 0-1 with a 4.91 ERA (12 ER, 22.0 IP) with 16 strikeouts and 6 walks in 20 combined relief appearances with Tampa Bay and Seattle in 2017. After being acquired by the Mariners along with Mike Marjama in a 5-player trade on Aug. 6, Garton posted a 1.54 ERA (2 ER, 11.1 IP) with 7 strikeouts and 1 walk in 13 outings with Seattle. In 31 total games (1 start) with AAA Durham and AAA Tacoma, the 5-foot-10, 190-pound right-hander went 2-2 with 4 saves and a 2.80 ERA (14 ER, 45.0 IP) with 61 strikeouts and 24 walks. He was 0-2 with a 6.00 ERA (8 ER, 12.0 IP) with 15 strikeouts and 8 walks in 7 relief appearances with the Rainiers before being recalled by the Mariners on Sept. 1.
Garton has appeared in parts of 2 Major League seasons with the Rays (2016-17) and Mariners (2017), posting a record of 1-3 with 1 save and a 4.55 ERA (31 ER, 61.1 IP) with 49 strikeouts and 17 walks in 57 relief appearances. After being drafted by Tampa Bay in the 34th round of the 2012 MLB First-Year Player Draft out of Florida Atlantic University, he is 26-8 with 25 saves and a 2.77 ERA (93 ER, 302.0 IP) in 195 games (1 start) over 6 minor league seasons with the Rays (2012-17) and Mariners (2017-c). He has averaged 9.1 strikeouts-per-9.0-innings (307 K, 302.0 IP) in his minor league career.
Hannemann, 26, made his Major League debut with the Mariners as a pinch-hitter on Sept. 9 vs. Los Angeles-AL. He appeared in 11 games with Seattle in 2017, batting .150 (3x20) with 3 runs, 1 home run and 1 RBI. The 6-foot-1, 205-pound outfielder hit his first career home run on Sept. 30 at the Angels after recording his first career hit on Sept. 16 at Houston. He was claimed off waivers by the Mariners from the Chicago Cubs on Sept. 4. Prior to joining the Mariners, he combined to hit .240 (98x409) with 57 runs, 32 doubles, 2 triples, 6 home runs, 32 RBI and 29 stolen bases in 113 total games with AAA Iowa and AA Tennessee in the Cubs organization in 2017.
In five minor league seasons with the Cubs (2013-17), Hannemann is a career .247 (432x1749) hitter with 249 runs, 98 doubles, 22 triples, 31 home runs, 164 RBI and 120 stolen bases in 455 games. He was selected by Chicago-NL in the 3rd round of the 2013 MLB First-Year Player Draft out of Brigham Young University (Provo, UT).