Examining the Jack Flaherty health and velocity concerns - Dodgers DigestJack Flaherty is considered one of the best starters moved at the trade deadline, but concerns persist about his health and effectiveness.
The Opener: Red Sox, Senga, Cactus League OpenerRed Sox potentially extending young players like Brayan Bello and Triston Casas before the season starts.Mets dealing with concerns about pitcher Kodai Senga's arm fatigue and health status.