Apr. 23 4:39 PM PT5:39 PM MT6:39 PM CT7:39 PM ET19:39 ET23:39 GMT7:39 4:39 PM MST6:39 PM EST7:09 PM VEN3:39 UAE (+1)6:39 PM CT-The Mariners designated the struggling Martin for assignment on Sunday after he was benched by the team. Analysis: The left-handed-hitting Martin is hitting just .111 with no home runs or RBIs in 54 at-bats over 15 games this season. Jarrod Dyson replaced Martin as the Mariners' starting center fielder, moving over from left field. Martin, 29, hit .247 last season, starting 142 games in the outfield for the Mariners. He set career bests with 15 home runs and 47 RBIs. Seattle acquired him in a 2015 trade with the Texas Rangers.