3. Andrew Heaney
Similar to Perez, Heaney is another veteran southpaw who's found new life in the bullpen.
Heaney struggled in the rotation for most of the year before finally being bumped to the bullpen in September. Like Perez, Heaney had a few hiccups at first but has since found his groove pitching in relief.
Heaney has not allowed an earned run in four of his five relief appearances so far. He also owns a 3.67 FIP and 12 strikeouts in 9 2/3 innings since moving to the 'pen.
In fact, Heaney's been pretty solid down the stretch in general. Going back to Aug. 1, he has a 3.54 ERA, a 3.63 FIP and a 44:15 K/BB ratio in 40 2/3 innings.
Perez and Heaney might seem redundant, but Perez is better-suited to the middle innings while Heaney's strikeout ability makes him a better fit for the later innings. Heaney also pitched well in his lone postseason appearance, tossing 3 innings of 1-run ball against the San Diego Padres last fall.
If he keeps up his recent form, Heaney could end up being an effective weapon out of the bullpen this fall.
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