Zack Gelof sues Detroit Tigers over Comerica Park knee injury

Zack Gelof filed a lawsuit in a Michigan court against three entities following a ballpark injury. The legal filing claims a hazardous wall feature in Detroit caused severe physical harm and future financial losses.

Attorneys for the Athletics super-utility player filed the civil complaint on Monday. The lawsuit names the Detroit Tigers, Ilitch Holdings, Inc. and the Detroit-Wayne County Stadium Authority as defendants.

The incident occurred on July 9 during a game at Comerica Park. Gelof made a sliding catch in foul territory along the left-field line in the third inning.

His right knee struck what the complaint described as an exposed, dangerous metal fence on the side wall. Attorneys Jon Marko and Gasper Stare wrote the legal filing.

“The protruding metal fencing was rigid, sharp, inadequately protected and positioned where defendants knew or should have known that professional baseball players would run, slide and attempt to catch baseballs traveling into that area,” his attorneys wrote in the complaint.

The collision caused a deep laceration beneath the player’s right kneecap. Athletics manager Mark Kotsay told MLB.com the cut narrowly missed his patellar tendon.

Gelof was in visible pain and left the game. The team placed the 26-year-old on the injured list.

The complaint alleges the Tigers failed to properly inspect or redesign the hazard. It cites Detroit left fielder Riley Greene, who told reporters the wall area can be unforgiving during hard slides.

“Defendants knew or should have known that professional baseball players routinely run and slide at high speeds into foul territory while attempting to catch baseballs,” the complaint states. “Padding and protective measures in an MLB ballpark exist for a reason.”

Within weeks, the team renovated the left-field area at Comerica Park. Crews added protective padding where the injury occurred.

Gelof missed one month of the season. He returned on Aug. 10 with a home run against the Tampa Bay Rays.

His production stayed steady in Sacramento across the remaining schedule.

• Pre-injury stats across 67 games: .273 batting average, .802 OPS, 11 home runs, eight steals.
• Post-injury stats across 44 games: .789 OPS, 11 home runs, eight steals.
• Final 2026 season totals: 3.5 WAR, 22 homers, 16 steals.

The Athletics finished with a 64-98 record. His attorneys argue the lost month harms his statistics, development and future arbitration earnings.

Neither the Tigers nor Ilitch Holdings responded to requests for comment.

Personal injury lawsuits seek financial compensation for medical harm and economic damages. Defendants named in civil claims can file formal responses or reach private settlements in court.

The legal action proceeds in Michigan civil court.