Seattle Mariners vs Athletics

Bryan Woo (ERA 4.03, WHIP 1.06, 158 K in 156.1 IP) provides a real pitching advantage over Jump (ERA 5.12, WHIP 1.49), who has been one of the worst starters in the league. Seattle's -174 line is in steep negative value territory, but the pitching matchup is genuine. The Athletics' offense vs RHP checks in at .244/.722 — not intimidating — and Jump's poor ERA/WHIP make the Athletics' lineup overmatched on a game-by-game basis. However, Seattle's offense vs LHP (.213/.628) is a significant red flag — that's a terrible split and Jump is a lefty. The splits concern mitigates the pitching edge substantially, making this a borderline lean at best at steep price.