Arbitrary Thoughts: Kyle Isbel's Run Prevention Premium

[Brian Shrum]

Image courtesy of Peter Aiken-Imagn Images

Kyle Isbel, OF

2026 Stats: 100 G, 323 PA, .224/.268/.323 (.591), 6 HR, 9 2B, 1 3B, 24 RBI, 4.6 BB%, 22.9 K%

• 2023 Salary: $727,500
• 2024 Salary: $758,250
• 2025 Salary: $1,750,000
• 2026 Salary: $2,700,000

Kyle Isbel Background

The Royals drafted Kyle Isbel 94th overall in the 2018 MLB draft. Isbel was originally a second baseman but transitioned into an athletic outfielder in the minor leagues, where he advanced through the system and secured a spot on the Opening Day roster in 2021. His major league debut was a memorable one as he posted 3 hits and 2 RBIs, becoming just the fourth player in Royals history to record 3 hits in his MLB debut. However, Isbel shuttled between Omaha and Kansas City for a couple of years before becoming an everyday player at the major league level. 

Since becoming a regular major league player, Isbel has established himself as a solid defensive center fielder, but has struggled with consistency at the plate. Heading into the 2026 season, it looked like he would be a key piece of the Royals' outfield, coming off his best season, in which he hit .255 and had a career-high 94 hits. However, a grade 3 tear of his left plantar fascia in June cost him roughly two months of the season. The injury impacted his overall production, as he dropped to a career low over 100 games, hitting .224/.268/.323. 

While his baseline statistics fell, his underlying data showed a gap between actual output and his physical tools. He continued to make decent contact and maintained a 22.9% strikeout rate, which is right at league average. However, his lack of hitting for power and depressed batting average on balls in play of .278 decreased his offensive value. For a player primarily penciled into the lineup for his defensive skills, posting a well-below-league-average wRC+ of 61 showed that his offensive production was not the same as in years prior, and that his primary role is to play solid center field defense. In the 100 games he appeared in this year, Isbel recorded 7 outs above average and also prevented 6 runs with a 91% success rate on 275 defensive attempts. 

Royals Depth At Center Field

• John Rave: 40-man roster
• Isaac Collins: 40-man roster
• Matthew Lugo: 40-man roster
• Tyler Tolbert: 40-man roster
• Minor Leagues: Angeibel Gomez, Luke Pelzer, Dominic Battista 

The primary internal threat to Isbel's playing time is John Rave, a natural center fielder who took on a larger role during Isbel's time on the IL this season. Utility options like Isaac Collins and Tyler Tolbert are also on the 40-man roster and can play center field. Both are less of a threat, though, as Collins struggled offensively this season, posting a wRC+ of 83, and Tolbert is primarily a bench piece often used as a utility player and pinch runner. 

Why The Royals Should Offer Isbel Arbitration

There is a compelling case for the Royals to tender a contract to Kyle Isbel this offseason. The front office values defensive stability and demands a center fielder who can cover a lot of range in a difficult-to-cover outfield. When fully healthy, the argument could be made that Isbel is a borderline Gold Glove-caliber center fielder, as shown by his +7 Outs Above Average in 2026 (though Defensive Runs Saved liked him far less at -4). High-level defensive talent is difficult to replace on the open market, and letting him walk would be a high-risk move for the organization. 

With a projected arbitration value of $3.5 million, that is far from a major financial commitment. For a team looking to get back into contention for a division title and the playoffs, paying a premium for a reliable defensive specialist adds low-risk depth. The Royals could argue that Isbel's 2026 offensive struggles were partly due to the plantar fascia injury. At worst, he anchors the bottom of the lineup with elite defense and provides a reliable bench piece at a modest cost. 

Why the Royals Should Non-Tender Isbel

The Royals are entering a critical offseason in which adding dynamic offensive producers is a necessity for the ball club. Isbel's projected $3.5 million arbitration salary may not be justified by the organization considering his offensive struggles this past season. He offers minimal power at the plate, walks infrequently, and is not a threat on the base paths. If the Royals intend to pursue top outfielders and power bats via free agency or trades, they need to maximize every dollar in their payroll. Spending $3.5 million on a defensive specialist who lacks power at the plate may not be the direction they want to go in for a small-market team. If the front office believes they can find cheaper baseline production internally through someone like John Rave or if they want to pursue an outside acquisition, non-tendering Isbel or trading him may be an unfortunate but practical move. 

Isbel Projection

Expect the Royals to tender him a 2027 contract around the projected $3.5 million mark. Historically, the organization has been defensive-minded, and Isbel fits well into that strategy at an affordable price.

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