Identifying the single hottest pitcher in Major League Baseball requires tracking recent start logs, earned run averages, strikeout rates, and dominant scoreless streaks across the league. Elite arms from powerhouse rotations—including top performers on the Dodgers, Tigers, and other contending clubs—frequently capture this designation during multi-start stretches where they suppress opposing bats entirely, rack up double-digit strikeouts, and lead their respective pitching staffs through dominant summer runs.