Leahy's TTO Mystery: 8 Career PA Past the First Time Through

Tonight's Bottom Line

Edge: Cardinals stack 6 RHB against Suarez, who allows .266/.315/.388 to right-handed batters (533 PA). Herrera's .330/.455/.660 vs LHP (124 PA, 9 HR) is the primary weapon. Suarez's TTO2 fade -- .218 to .290 AVG -- opens innings 4-6.

Threat: Leahy's inverted home split: 4.47 ERA at home vs 2.68 away. Boston's LHB -- Duran, Abreu, Yoshida, Mayer -- attack Leahy's .252 AVG allowed vs lefties. Durbin 2-for-3 career vs Leahy.

Watch: Leahy has 8 career PA of TTO2 data. Reliever-to-starter conversion with no roadmap past the first time through. How deep can he go?

May: 6.0 IP, 4 H, 1 ER, 0 BB, 4 K. Excellent home debut. Commanded the sinker, limited damage to solo contact.

Key Offense: Saggese RBI single (5th) and Fermin sac fly (5th) drove the go-ahead runs. Timely hitting with RISP made the difference.

Predictions: No prior predictions to grade. Game 1 of interleague series -- baseline established.

1. Herrera vs Suarez: The Platoon Mismatch. Herrera's .330/.455/.660 vs LHP (124 PA, 9 HR) meets Suarez's .266 AVG allowed to RHB. Best individual matchup tonight. Herrera is the lineup anchor against any lefty starter.

2. Durbin vs Leahy: Contact Threat. 2-for-3 (.667) career vs Leahy with a 9.9% K rate -- hardest Red Sox bat to strike out. Leahy cannot rely on swing-and-miss to escape this matchup.

3. Suarez TTO2 Window. Suarez holds hitters to .218 AVG first time through, then craters to .290 second time. Cardinals should stay patient early and attack in innings 4-6 when the fade kicks in.

X-Factor: Leahy's 8-PA TTO2 Black Box. Only 8 career PA of second-time-through data. Reliever-to-starter conversion means no roadmap past the first trip through the order. If Leahy falters early, Svanson's 50% strand rate makes a short bullpen bridge risky.