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The Houston Astros have a prospect to watch in the second half in pitcher Spencer Arrighetti, according to MLB.com.

But, could Arrighetti help the Astros this season rather than next season?

It’s something to watch as the Astros continue to endure injuries to their starting rotation. The Astros have already lost Lance McCullers Jr. and Luis Garcia for the season. José Urquidy is on a rehab assignment with Triple-A Sugar Land, where Arrighetti made his latest start on Sunday.

Plus, Framber Valdez — the Astros’ best starter all season — left Saturday’s game with the Los Angeles Angels with tightness in his calf.

If the Astros don’t make an anticipated move to shore up their rotation, calling up Arrighetti — assuming he’s performing at a level that would make him useful — might be a necessity and not a luxury.

He is the Astros’ No. 9 overall prospect, per MLB.com. But he is their second-highest rated pitching prospect and the highest-rated pitching prospect at Triple-A.

His performance on Sunday with Sugar Land saw him go 4.1 innings, giving up three hits, one run (earned), while allowing three walks and striking out four. He threw 77 pitches, 50 of which were strikes.

Arrighetti started the season with Double-A Corpus Christi, where in 13 games (eight starts) he went 7-2 with a 4.15 ERA, striking out 79 and walking 23. Batters hit just .218 against him.

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