The Seattle Mariners sent shockwaves through T-Mobile Park on Saturday night, pulling off a last-minute lineup shuffle just as fans were settling in for Randy Johnson’s number retirement ceremony. With less than an hour until first pitch, the team announced that starting catcher Cal Raleigh would be scratched from the lineup, replaced by backup catcher Jhonny Pereda—who was promptly called up from Triple-A Tacoma.

Naturally, the sudden move sparked a wave of panic among Mariners faithful. But the dust settled quickly when the corresponding roster move dropped: infielder Will Wilson has been placed on the injured list with a fractured thumb, backdated to April 30. That means Wilson has been playing through the injury since Thursday’s off-day—a testament to his grit, but a blow to Seattle’s infield depth.

Wilson had been holding down third base while Brendan Donovan recovers, but there’s good news on that front: Donovan is set to begin a rehab assignment this Tuesday with the Arkansas Travelers, eyeing a return to the big league club when the team heads to Chicago for their next road trip. Still, the Mariners are now shorthanded on utility infielders until Donovan is back, which likely means a steady diet of Leo Rivas at the hot corner—unless the front office makes another move after the game.

If they do decide to fill the infield hole, the options are slim. Ryan Bliss is on the 40-man roster but is limited to second base, where rookie Cole Young has already staked his claim. Brock Rodden offers positional flexibility but would require a 40-man roster move. The wild card? Bringing up top prospect Colt Emerson. But unless the Mariners view the situation as truly dire, it feels unlikely they’d summon him for a brief fill-in stint.

As for Raleigh, the team has yet to release details on what’s ailing their star catcher. Stay tuned—this story is developing.