As the San Francisco Giants enter Spring Training 2026, all eyes are on Hayden Birdsong, who carries the most uncertainty and potential. After a promising start in 2025 was derailed by struggles in the rotation and Triple-A, Birdsong must demonstrate improved command and consistency to reclaim a role amidst intensified competition. His performance will be crucial for the Giants’ rotation depth and long-term planning, as the team seeks reliability over raw talent.