Marte, 21, will be making his Major League debut. In 65 games with AAA Tacoma, he was hitting .314 (82x261) with 41 runs, 12 doubles, 2 triples, 3 home runs, 29 RBI and 20 stolen bases. He appeared in the 2015 Futures Game during All-Star weekend in Cincinnati, going 2-for-2 with an RBI while playing second base and was also elected to start at shortstop in the Triple-A All-Star Game (0x2). The switch-hitting infielder has appeared in games at shortstop (49), second base (14), center field (4) and designated hitter (1). He was originally signed by Seattle as a non-drafted free agent on Aug. 13, 2010. He was rated as the 3rd-best prospect in the Mariners organization by Baseball America entering the 2015 season.
Montero, 25, is in his second stint with the Mariners. In 5 games with Seattle earlier this season, he hit .300 (3x10) with 1 run, 1 RBI and 3 walks with all of his plate appearance coming against left-handed pitching. In 93 games with AAA Tacoma, he has hit .346 (130x376) with 64 runs, 17 doubles, 6 triples, 16 home runs and 75 RBI with a .938 OPS. In his last six games with Tacoma (since returning from Seattle on July 21), the Pacific Coast League All-Star hit .472 (17x36) with 7 runs, 7 extra-base hits & 7 RBI.
Taylor, 24, hit .170 (16x94) with 9 runs, 3 doubles, 1 triple and 1 RBI during two active stints with Seattle. In 48 games with AAA Tacoma he has hit .289 (56x194) with 9 doubles, 4 triples, 2 home runs, 16 RBI and was 13-for-17 stealing bases.