Aroldis Chapman is enjoying a resurgence in Boston, showcasing one of his best seasons as a 16-year veteran. With a remarkable 14 saves out of 15 opportunities and an impressive 1.36 ERA, he has been a key component for the Red Sox this season. His recent outings, including a clean save against the Giants and striking out three against the Angels, highlight his dominance.

Meanwhile, Josh Hader continues to excel for the Houston Astros, having completed five appearances in the last week, earning three saves along with a win. His statistics reflect his top-tier status, boasting a 1.73 ERA and a solid K/BB ratio. Moreover, in Atlanta, Dylan Lee has emerged as a reliable option in save opportunities, complementing Edwin Díaz's return. The Closer Report also identifies various relievers to watch across the league.