Read the recent MLB news and rumors about J.J. Wetherholt for fantasy baseball. St. Louis Cardinals shortstop prospect J.J.

With their bullpen stretched thin, the Mariners tap into their pitching depth and promote Blas Castano for his first big league action.

Castano holds a 3.43 ERA and 28:19 K:BB over 44.2 innings covering seven starts and three relief appearances with Tacoma this season. He'll give the Mariners' bullpen some length after their relievers ...

Forbes contributors publish independent expert analyses and insights. I write to provide career insights for you to be seen and promote.