Diamondbacks Bolster Power Potential with Luken Baker Signing

The Arizona Diamondbacks added depth and potential firepower to their system Friday by signing Luken Baker, a former St. Louis Cardinals first baseman, to a minor league contract. Baker, who also spent time in the Los Angeles Dodgers organization in 2025, brings seven seasons of professional experience and a proven track record of home run production.

A standout at Texas Christian University, Baker was selected in the second round of the 2018 MLB Draft by the Cardinals. He quickly climbed the minor league ranks, showcasing consistent power at nearly every level. Over his seven-year career in the minors, he has totaled 144 home runs, including multiple campaigns with 30-plus homers.

Baker’s 2023 season with Triple-A Memphis was particularly impressive, as he posted a .334/.439/.720 slash line with 33 home runs in just 380 plate appearances, earning a brief promotion to the majors. He followed that with 32 homers in 2024, though his batting average and on-base numbers slipped. Despite his minor league success, Baker has struggled to establish himself in the majors, largely due to established first basemen blocking his path.

At 28 years old, Baker represents a low-risk, high-reward option for the Diamondbacks. Listed at 6’4″ and 285 pounds, he profiles as a traditional power hitter who could fit as a designated hitter or platoon first baseman, offering potential impact both in Triple-A and at the major league level.

1. Minor League Power Track Record

Baker’s minor league numbers illustrate his consistent power potential. In seven seasons, he has hit 144 home runs while maintaining solid on-base skills, including a standout 2023 season with Triple-A Memphis. Even when his batting average dipped in 2024, he still generated 32 homers and a .535 slugging percentage, proving his ability to drive the ball. His performance in the Dodgers system in 2025 further highlighted his adaptability. In 33 games with Triple-A Oklahoma City, he hit .273 with eight home runs and 22 RBIs, demonstrating that he can adjust quickly to new environments while maintaining his power output. Baker’s ability to hit for power against a range of pitching makes him an appealing option for an organization seeking depth. Arizona’s farm system could benefit from Baker’s presence, particularly as he provides a potential solution at first base or DH. With a lineup that can use left-handed power, Baker represents a player capable of complementing existing options while providing a possible path to the majors. The Diamondbacks’ decision to bring Baker into the organization underscores the team’s focus on acquiring players who can contribute both immediately at Triple-A and potentially at the big league level. His minor league success and track record of power make him a player to watch in 2026.

2. Major League Challenges

While Baker has excelled in the minors, his transition to MLB has been more difficult. Over 73 major league games spanning 2023–25, he posted a .206/.317/.338 slash line with four home runs and an 87 wRC+. Limited opportunities behind established first basemen like Paul Goldschmidt and Wilson Contreras have restricted his chances to secure a full-time role. In 2025, Baker appeared in only 19 games for St. Louis before being claimed off waivers by Los Angeles in August. His brief stint with Oklahoma City showed he could maintain production, hitting .273 with eight home runs in 33 games, but questions remain about whether his minor league power can translate consistently at the MLB level. Baker’s profile as a one-dimensional power hitter also creates limitations. Primarily suited for first base or designated hitter roles, he lacks defensive versatility, which could impact his path to regular major league playing time. Despite these challenges, Arizona sees value in his potential. With current infield depth and injury concerns, Baker provides insurance and flexibility, offering the Diamondbacks a chance to evaluate a power bat without a significant financial or roster risk.

3. Potential Fit in Arizona

Baker’s skill set aligns with the Diamondbacks’ current needs, particularly at first base. Left-handed hitter Pavin Smith batted .258 with eight home runs in 87 games in 2025, leaving room for a complementary platoon partner. Baker’s profile as a high-power right-handed bat gives Arizona options for both major league and Triple-A deployment. Playing in Triple-A Reno, part of the Pacific Coast League, could also enhance Baker’s power numbers due to the hitter-friendly environment. This setting offers the Diamondbacks a controlled opportunity to assess his performance and readiness for major league impact in 2026. Advanced metrics underline his potential. Baker’s 50.6% hard-hit rate and 12.4% barrel rate in the minors indicate a player capable of generating game-changing power. Even with defensive limitations, his bat could be a significant asset if he maintains consistent at-bats. Ultimately, the signing gives Arizona organizational depth and a potential impact player at a low risk. Baker’s combination of experience, raw power, and opportunity could make him an important piece for the Diamondbacks’ future, particularly as they look to strengthen their lineup with affordable, high-upside talent.