Mariners Piggyback Pitching Strategy Evolves

The Mariners are surging in the AL West, fueled by a suddenly dominant pitching staff — but their unconventional “piggyback” strategy for Bryce Miller and Luis Castillo is sparking tension. After sit-downs with both pitchers, the front office clarified the plan: Miller starts, Castillo comes in as the bullpen arm in the series finale against Arizona. While the tactic isn’t going away, the open dialogue has eased friction — and with so many elite arms, the real challenge is building a stable rotation that can carry them through the season. Support the show:Get a discount at https://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/790256a5cdad847b