O'Brien (calf) suffered a minor right calf strain one week ago. Tuesday's bullpen session will mark his initial mound work since sustaining the injury. (Source: Jeff Jones)
Fantasy Impact: The calf strain is projected to keep O'Brien from representing Team South Korea in the World Baseball Classic. Tuesday represents his return to throwing from the mound.
Yeager (arm) posted a 2.75 ERA and 1.01 WHIP with 64 strikeouts and five saves across 55.2 innings between High-A and Double-A in 2025. He advanced to the Double-A level last summer. (Source: Shi Davidi)
Fantasy Impact: Soreness arose during a live batting practice session last week. Yeager consulted with Dr. Keith Meister on Tuesday regarding the issue.
