Doug Slaten has June 1 opt-out date
Doug Slaten, LHP, Pirates. The Pirates, leading the NL in bullpen ERA, might not need Slaten, but some other team almost certainly would want him. Slaten, the closer at Triple A Indianapolis, has a 0.40 ERA and 0.806 WHIP and has yet to allow an extra-base hit in 22 1/3 innings.