The Mariners have placed 27-year old lefty starting pitcher Ryan Rowland-Smith on the 15-day disabled list with a lower back strain. Rowland-Smith has pitched in 22 games (19 starts) for the Mariners this year and he is 1-10 with a 6.96 ERA and a 1.72 WHIP. He has given up a stunning 129 hits and an amazing 23 homers in only 98 1/3 innings for the Mariners this year. The Mariners have recalled 24-year old starting pitcher Luke French to replace him in the starting rotation. French pitched in 4 games (1 start) earlier this season for the Mariners and he was 0-1 with a 6.39 ERA and a 1.66 WHIP.