Castillo draws a marquee start against Luzardo in a pivotal series finale, giving Seattle a chance to slow Philadelphia’s order. His 3.48 ERA and 8-6 record underscore his role as a frontline weapon in a hotly contested stretch run.

Castillo opened the game for Seattle, facing Lindor’s early offense and then stepping into a mid-innings duel as Mets surged. He worked as Seattle’s setup for a bullpen-heavy night, providing quality innings and holding the Mets at bay before the late rally.

Castillo headlines the matchup with elite strikeout potential and a floor built on per-start velocity and swing-and-miss rates. His matchup vs Manaea provides a ceiling for double-digit K games, and his recent form supports a top-tier fantasy ace play in daily formats.

Castillo anchors Seattle with a 3.19 ERA and an 8-6 record, delivering reliable strikeout upside and a track record of compact, efficient stints. In his last outing he logged 2 earned runs across a line that featured five hits and five punchouts, signaling a return to form. Tonight, the Mets’ lineup will test Castillo’s ability to limit damage and generate whiffs, a dynamic that fantasy players will monitor closely for DFS pricing and daily lineups.

Castillo’s recent form features five or more strikeouts in five of seven starts, with a projected 5.4 K’s for Friday. His strong trend lines and the Mariners’ midfield support create a robust DFS floor with upside for single-game and tournament formats.