The Season Is Likely Over for Triston Casas

The Boston Crimson Sox dropped to a .500 report over the weekend, however that little bit of unpleasantness was overshadowed by the lack of beginning first baseman Triston Casas to a critical knee damage. Operating to first throughout the first of a three-game set towards the Twins on Friday, Casas collapsed out of the blue whereas making an attempt to beat out a sluggish curler fielded by the pitcher, Joe Ryan. It was revealed on Saturday that Casas had ruptured his left patellar tendon, and on Sunday he underwent surgical procedure. With out Casas, the second-place Sox need to rethink their short-term choices at first base, ideally earlier than they fall too far behind within the AL East.

Boston may discover no trigger for optimism to place a optimistic spin on what occurred. Chief baseball officer Craig Breslow got here proper out and mentioned the workforce doesn’t anticipate Casas to return in 2025. So, if you happen to have been hoping the primary baseman may sneak again in time for the playoffs, that seems to be extremely unlikely.

So what does this imply for Casas? Effectively, from a baseball standpoint — quite than a rehabilitation one, as I’m even much less certified to make medical pronouncements than Dr. Nick Riviera — coming into the season, ZiPS noticed Casas as a solidly common first baseman, with a projected slash line of .246/.350/.462, a 125 wRC+ and 1.6 WAR. That final quantity was on the low facet just because ZiPS projected him to play in solely 108 video games, partially as a consequence of his being platooned up to now but in addition owing to his historical past of accidents. I expressed some concern about his profile within the preseason due to his struggles with making contact.

Casas was off to a sluggish begin this 12 months, hitting .182/.277/.303 with a bleak 58 wRC+. That’s worrisome for any participant, however much more so for a platoon first baseman with out a lot defensive worth. All 27 video games he began this season got here towards a righty. April’s gonna April, however the unhealthy begin did put a little bit of a damper on his long-term outlook. Crank out some projections, ZiPS-o-Matic!

With out factoring in his damage, Casas’ struggles to start out 2025 brought about a transparent drop-off in his next-five-years projections, although I don’t personally assume it was sufficient to basically change our notion of him. He’s nonetheless a power-hitting first baseman you’d be joyful to have in your lineup, however he’s not a serious star to construct round. As an apart, ZiPS is way much less nervous than the Crimson Sox are about letting Casas face left-handers; he’s projected for a .226/.317/.395 line towards southpaws in 2026. That’s not excellent, but it surely’s additionally not an unusually giant platoon break up for a left-handed slugger.

ZiPS is conscious of accidents, however primarily in hindsight; it components within the time missed after the actual fact as a result of I don’t like being the place of diagnosing present accidents. However on this case, as a result of we all know that Casas’ rest-of-season projection is sort of actually going to be zero plate appearances, I don’t thoughts breaking the principles and telling ZiPS that 2025 is over and Casas missed greater than 100 video games with a knee damage.

As you possibly can see, the season-ending damage has barely soured his projection. But when there’s a silver lining right here, it’s that Casas’ recreation isn’t actually primarily based on pace, which means that ZiPS expects the general long-term impression of the knee damage to be much less for him than it might be for a sooner runner. Against this, after I run the identical projection for Jarren Duran after giving him a critical knee damage — Sorry, Jarren! — his projected 2026 WAR declines from 3.5 to 2.2 WAR.

Casas must be again in 2026, however the Crimson Sox need to reply the query of what to do at first base for the following 5 months. Romy Gonzalez has been Casas’ platoon associate this 12 months, and at .327/.382/.449, he’s hit properly in his 55 plate appearances as of Monday morning. However he’ll in all probability lose 100 factors or so from his present .421 BABIP, so it’s unrealistic that he’ll sustain that line. That mentioned, he has been making exhausting contact this season, with a hard-hit price approaching 60%, up from 50% final 12 months, which means that his manufacturing shouldn’t be a stone-cold fluke, both. ZiPS tasks Gonzalez to publish a 107 wRC+ the remainder of the season, an affordable efficiency for a Plan B first baseman, however the Crimson Sox must be a bit extra bold than settling for cheap, particularly when the participant in query is extra of a substitute utilityman than a real first baseman.

However whom ought to they aim then? That’s the tougher query. Rafael Devers would appear to be the seemingly inside choice, and the workforce hasn’t explicitly dominated that out, however I wouldn’t be shocked if the Crimson Sox determined to not swap his place once more contemplating how he responded once they moved him off third base after signing Alex Bregman. On this case, maybe discretion is the higher a part of valor. Boston additionally doesn’t seem like inclined to briefly transfer to prospect Roman Anthony to first base.

Exterior the group, pickings are slim in the meanwhile, as few groups have fully given up on the season. Andrew Vaughn might be accessible, and his peripherals recommend that he’s carried out higher than his precise numbers throughout his brutal begin, however I’m unsure Boston actually desires a reclamation undertaking right here. The just lately demoted Jake Burger would end in the identical objection. If the Nats are concerned with buying and selling Nathaniel Lowe, he could also be the best choice on the market, and he’s not a free agent till after subsequent season, although that may make them much less more likely to transfer him. And the Brewers in all probability aren’t but at a degree the place they’d let go of Rhys Hoskins for affordable. Anthony Rizzo remains to be a free agent, and Jon Singleton is now in Triple-A with the Mets, but when these are the 2 finest choices on the market, I feel the Crimson Sox can be higher off simply rolling with Romy. (I need to see Marcelo Mayer get a while at first, however that’s largely so I could make some type of lame Romy and Marcelo’s Excessive College Reunion joke.)

The damage to Casas doesn’t doom his future outlook an excessive amount of, nor does it shatter Boston’s possibilities to contend this season, however the Crimson Sox must determine what they need to do right here pretty shortly. Positive, the impression of any first base transfer can be restricted, however even a marginal improve may make a distinction in a decent AL East race.