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OddsShift · Aug 29, 2026

Giants Shuffle Rotation With Lonsway Addition

The Giants made a trio of roster adjustments on doubleheader day, signaling both immediate pitching needs and longer-term roster flexibility. Matt Wilkinson was promoted from Triple-A Sacramento to start Game 1 against the Diamondbacks, assuming the role of the 27th man for the twin bill. The moves also included optioning right-hander Spencer Bivens back to Sacramento and selecting the contract of left-hander Seth Lonsway, expanding San Francisco's pitching depth.

Doubleheader logistics often force teams into creative roster construction. Using a 27th man allows clubs to carry an extra arm or position player without permanently altering their active roster, then the corresponding moves must level out the math. By optioning Bivens and selecting Lonsway's contract, the Giants maintained roster flexibility while addressing immediate rotation needs.

The bigger picture depends on what role Lonsway fills. Contract selections typically signal a pitcher who has been in the organization but not yet on the active roster—often a minor league veteran getting a shot with the big club. Whether this becomes a short-term plug or a longer look at a potential contributor will become clearer over the coming weeks.

From a betting standpoint, doubleheader totals and game lines can shift based on bullpen health and roster depth. The addition of Lonsway suggests the Giants felt comfortable using their available arms across both games, which could keep totals from spiking too high if concerns about depth were priced in.

Source: original report ↗

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