Phillies: Five things we learned from the Rockies series
By John Town

Zach Eflin isn’t as good as we thought he was
Zach Eflin had another poor outing Tuesday night, giving up eight runs to the Rockies over six innings. Elfin allowed three home runs and ten hits during the start. It was his second straight start giving up at least ten hits and seven runs.
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Eflin’s poor starts come after a string of five outings where he had a 2.81 ERA, 1.00 WHIP, 4.25 strikeout-to-walk ratio, and .228 batting average against him. However, his FIP of 4.35 and xFIP of 4.76 in that same stretch indicated that regression was on the way.
After his last two starts, Eflin has a 5.36 ERA, 5.08 FIP, 1.36 WHIP, and 2.75 strikeout-to-walk ratio this season. He went from one of the team’s better pitchers to one of the worse in under a week.
Eflin is often viewed as a piece in the team’s future rotation somewhere in the middle or back end. He has shown flashes of success, but to expect too much from him is futile, as shown by his recent outings.