Red Sox fans learned the hard way Thursday after Cam Schlittler discovered that his mom, Christine, had become the target of social-media attacks launched by the same place that he considered home.

Sticking with the theme of rookie right-handers, Yesavage’s meteoric rise in 2025 makes Schlittler look like a grizzled veteran. Toronto’s first-round pick just 15 months ago, Yesavage began this ...