The Seattle Mariners placed relief pitcher Diego Castillo (shoulder) on the 15-day injured list on Thursday with right shoulder inflammation and recalled right-hander Matt Brash from Triple-A Tacoma in a corresponding move. Castillo's injured-list placement is retroactive to July 26. On the season, the 28-year-old Dominican has gone 7-1 with a 3.93 ERA, 1.31 WHIP, six saves, four holds, 36 strikeouts and 17 walks in 36 2/3 innings in his second season with Seattle, mainly in a late-inning ...