Mark Lowe Approaching Opt-Out Date

Reliever Mark Lowe has the ability to opt out of his minor league deal with the Nationals tomorrow, MLBTR has learned.  Lowe, 30, has a 4.26 ERA, 12.8 K/9, and 3.6 BB/9 with two home runs allowed in 12 2/3 Triple-A innings this year.  Earlier, he made 11 big league appearances with the Angels.