Red Sox Turn to Tsung-Che Cheng After Marcelo Mayer Injury Amid Playoff Push
The Red Sox promoted infielder Tsung-Che Cheng after Marcelo Mayer landed on the injured list, hoping the newcomer can provide a spark during a difficult stretch of the season.
- Glenn Catubig
- 4 min read

The Boston Red Sox are searching for answers as they attempt to stay within striking distance of the American League playoff race. Injuries, inconsistent offensive production and a disappointing stretch of games have created fresh challenges, prompting the club to make another roster move in hopes of changing its momentum.
Boston recalled infielder Tsung-Che Cheng from Triple-A Worcester after placing highly regarded rookie Marcelo Mayer on the 10-day injured list with a bone stress reaction in his left ulna. While losing one of the organization’s top young talents is a setback, the Red Sox are optimistic that Cheng can provide valuable depth while Mayer recovers.
The timing of the move comes as Boston continues to navigate an uneven season. Despite strong performances from portions of the starting rotation and opportunities to gain ground in the standings, the club has struggled to build sustained momentum, leaving little room for additional setbacks.
For Cheng, the promotion represents another opportunity to establish himself in the major leagues after a winding path brought him to Boston. His first appearance in a Red Sox uniform immediately offered fans a glimpse of what he could contribute during an important stretch of the season.
1. Injury Opens Door for New Opportunity
The Red Sox were forced to adjust their roster after Mayer was diagnosed with a bone stress reaction in his left forearm. The injury sent the talented infielder to the injured list and temporarily halted another important stage of his development at the major league level. Although Mayer entered the season carrying significant expectations as one of baseball’s top prospects, he had recently struggled to find consistency at the plate. The injury now gives him an opportunity to recover physically while the organization evaluates other options in the infield. Boston responded by selecting Cheng’s contract from Triple-A Worcester, believing the versatile infielder could help stabilize the roster. His defensive flexibility and contact-oriented approach make him an intriguing replacement while the club waits for Mayer’s return. The move also reflects the challenges the Red Sox have faced throughout the season. Injuries have repeatedly tested the team’s depth, requiring players throughout the organization to step into larger roles as Boston attempts to remain competitive in the playoff race.
2. Cheng’s Journey Finally Reaches Boston
Cheng’s road to Fenway Park has been anything but straightforward. Before joining the Red Sox organization, the Taiwanese infielder briefly reached the major leagues with the Pittsburgh Pirates during the 2025 season. His offseason proved especially turbulent as he was claimed off waivers multiple times during January, leaving him without long-term stability as several organizations shuffled their rosters. The frequent moves made it difficult for Cheng to establish roots before Boston ultimately acquired him in February. After arriving in the Red Sox organization, Cheng spent the opening months of the season with Triple-A Worcester, where he continued developing while waiting for another opportunity to return to the majors. His consistent work eventually earned him another chance when Boston needed infield reinforcements. That patience quickly paid off. Instead of allowing the pressure of his Red Sox debut to overwhelm him, Cheng made an immediate impression by contributing on both sides of the ball during his first game with the club.
3. Strong Debut Provides Encouraging Start
Cheng wasted little time making a positive impact in his first appearance for Boston. During Friday’s game against the New York Yankees, he recorded the first RBI of his major league career by grounding into a fielder’s choice that brought home a run. Later in the contest, he added another milestone by collecting his first major league hit with a double to center field. The extra-base hit gave the Fenway Park crowd something to celebrate and highlighted the composure he displayed throughout his debut. While one performance alone will not solve Boston’s broader issues, Cheng’s immediate contributions offered a welcome boost for a team searching for offensive consistency. Every productive at-bat carries added significance as the Red Sox attempt to regain momentum during a difficult stretch of the schedule. The organization hopes Cheng can continue building on that encouraging debut while Mayer recovers from injury. If he can provide reliable defense and timely offense, the 24-year-old could become an important contributor as Boston works to remain in contention throughout the remainder of the season.