The Boston Red Sox have found a significant boost amid a challenging season, thanks in part to key additions made at the trade deadline. While the acquisition of catcher Adley Rutschman garnered much attention, 28-year-old left-handed pitcher Erik Miller has quietly emerged as a crucial contributor out of the bullpen.
Since joining the Red Sox, Miller has appeared in 12 games and pitched 12.2 innings, allowing two runs—one earned—on eight hits. The right-hander has walked five batters while striking out 22, displaying a strong strikeout-to-walk ratio. Teammate Garrett Whitlock praised Miller’s pitching arsenal, describing his repertoire as “unreal” and expressing surprise that the San Francisco Giants released him.
Miller was sent to Boston in exchange for infielder Marcelo Mayer as the Giants appeared to prioritize a young prospect amid a struggling season. Notably, Miller remains under team control through 2029, positioning him as a long-term asset in the Red Sox bullpen. With key reliever Justin Slaten sidelined due to injury, Miller has stepped into late-inning roles, earning commendation from interim manager Connor Tracy for his performance.
A tall presence on the mound at 6-foot-5, Miller’s pitching relies heavily on a sinker-slider combination, complemented by occasional four-seam fastballs and changeups. His fastball velocity averages 96.5 miles per hour, creating a challenging look for hitters. Whitlock highlighted Miller’s command and "pitchability" as key factors in his success.
On the other side of the trade, Mayer has yet to make his major league debut with the Giants and is currently sidelined by a bone bruise in his right foot. He last played in a major league game on June 25.
Beyond Miller, the Red Sox have also benefited from the cost-effective contributions of players like Nick Sogard, Mickey Gasper, and Alec Gamboa. Combined, these three players, all with limited major league experience and earning minimum salaries, have produced at least 3.3 wins above replacement (bWAR) this season. This stands in contrast to some higher-paid players around the league, such as Toronto’s Vladimir Guerrero Jr., whose 1.0 bWAR comes with a $40.2 million salary this year.
Despite the team's struggles, this season has revealed promising value in under-the-radar players. Looking ahead, once Tracy is expected to be formally named manager, the coaching staff will likely undergo evaluation. Currently, pitching coach Andrew Bailey is the only coach on the major league staff with previous big league experience. Additionally, third base coach Chad Epperson’s sometimes overly aggressive baserunning decisions have raised concerns that may influence postseason outcomes.
As the Red Sox navigate the remainder of the season, the blend of savvy acquisitions like Miller and contributions from overlooked players may provide a foundation for improvements moving forward.