Grand Canyon Professional Athletes

Grand Canyon in MLB | Week of Sept. 20–26

Zac Thornton didn't just survive his rookie season in the majors — he made himself a promise and kept it.

The Grand Canyon product and New York Mets pitcher took the mound for his final start of 2026 on Thursday against the Rangers, and simply being out there was enough to check the most important box on his personal list. According to Yahoo Sports, Thornton said he "met all my goals" after a rookie campaign that exceeded even the organization's expectations.

That's no small thing for a pitcher who began 2026 in Double-A.

From the Minors to the Mound

Thornton's path to a full MLB season wasn't a straight line. He opened the year in the minors, but by his own account, he "always thought" he'd finish it in New York. That confidence wasn't arrogance — it was a road map. He worked his way up, earned his call-up, and delivered once he arrived.

Mets manager Andy Green praised Thornton after his season finale, a performance that reflected the consistency the lefty built over the course of the year. Against Texas on Sept. 24, Thornton gave the Mets five innings, struck out four, allowed two earned runs, and finished the season with a 3.42 ERA — a mark that would be respectable for any pitcher, let alone a rookie who started the year in Double-A.

The Bigger Picture

Thornton's breakout is part of a promising wave of young Mets arms. He spoke openly about fellow rookie starters Nolan McLean, Christian Scott, and Jonah Tong — a cohort that could form the backbone of New York's rotation for years to come. For Grand Canyon, it's a reminder that the program continues to produce legitimate big-league contributors even if it doesn't always land in national recruiting conversations.

The Antelopes' other MLB alumni — including Tayler Aguilar and Pierson Ohl with the Rockies, Josh Wakefield with the Astros, and a trio of Cubs pitchers in Nick Hull, Vince Reilly, and Frankie Scalzo Jr. — kept the school's footprint across the league during the final stretch of the regular season.

But this week belongs to Thornton. A rookie season defined by belief, a mid-year promotion, and a 3.42 ERA to close the books — it's the kind of origin story GCU alumni will be telling for a while.

Zac Thornton Is Making Believers Out of New York

Grand Canyon's most prominent MLB product right now isn't just holding his own in the big leagues — he's turning heads across the sport. Mets left-hander Zac Thornton has strung together a series of impressive late-season starts that have the baseball world asking a simple question: Is this guy already a fixture in New York's future?

The 24-year-old answered most emphatically on Friday, September 18th, when he took the mound against the rival Philadelphia Phillies and delivered six innings of two-run ball, striking out four in a 6-3 Mets victory. His ERA sits at 3.40 — an eye-catching number for a rookie arm pitching in September, when the pressure and the stakes are at their highest.

More Than Just Numbers

What's drawn the attention of scouts, media, and fans isn't just the stat line. According to Yahoo Sports, the way Thornton works through opposing lineups is described as "unique in today's game" — a phrase that carries real weight when applied to a rookie. He competes with poise well beyond his years, and his outing at Yankee Stadium in the Subway Series was enough to prompt Sports Illustrated to declare he "looks like a stud."

The Phillies series in particular told a story. Philly interim manager Don Mattingly moved Brandon Marsh out of his typical lineup spot specifically to account for Thornton's left-handed arsenal — a telling sign of the respect he's already commanding from opposing dugouts. Thornton rewarded the Mets' faith by helping New York slug its way to a series win.

Green Sees a Path Forward

Mets interim manager Andy Green hasn't been shy about his confidence in the young arm. Following another strong outing, Green publicly outlined what he described as Thornton's "path to improvement" heading into the offseason — language that signals the organization views this not as a late-season audition, but as the beginning of something longer-term.

After watching Thornton perform at Yankee Stadium, Yahoo Sports noted it was "thrilling to wonder what might be for the 24-year-old lefty, who should have a real chance to impact the Mets' starting rotation next season." That's the kind of copy that front offices notice, and it aligns with the buzz building internally around Flushing.

An Anteater in New York

For Grand Canyon fans, Thornton's emergence is a legitimate marquee moment. GCU doesn't have a long-standing reputation as an MLB pipeline powerhouse, but Thornton is making a case that the program can produce legitimate big-league starters. With a 3.40 ERA, high-leverage starts against division rivals, and a manager already charting his development arc, the Antelopes are well-represented in the five boroughs.

The final weeks of the 2026 season are setting up Thornton as one of the more intriguing rotation pieces in the National League East heading into 2027. For a Mets club always searching for homegrown answers, a composed, crafty lefty with a fulfilled promise to his skipper and a fist-pump worthy of a highlight reel might be exactly what they've been looking for.

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Zac Thornton Steals the Spotlight in Mets' 12-2 Subway Series Rout

When Gerrit Cole — face of the Yankees rotation — takes the mound at Yankee Stadium, the opposing starter isn't supposed to be the story. Grand Canyon alum Zac Thornton made sure that script got rewritten on Saturday.

Thornton delivered seven innings of two-earned-run ball, striking out four and keeping the Yankees' lineup in check long enough for the Mets' offense to do the rest. New York slugged six home runs in a 12-2 dismantling of their crosstown rivals, with Francisco Lindor accounting for two of them. Cole, by contrast, surrendered three of those home runs before exiting — a rough afternoon for the Yankees ace and a defining one for the GCU product.

The Bounce-Back Moment

Context matters here. Thornton's Saturday showing was framed as a response — both to outside expectations and to a recent rough outing. Just prior to this start, Thornton had been tagged in a loss to the Giants, a clunker that raised questions about whether he could consistently hold a rotation spot. Mets interim manager Andy Green publicly noted "encouraging trends" even through that adversity, and Thornton answered with the kind of performance that quiets doubt louder than any press conference can.

His ERA now sits at 3.44 on the season — a number that, for a rookie making a case for a 2027 roster spot on a team in rebuilding mode, carries real weight.

Playing Spoiler with Purpose

What made Saturday's performance more than just a box score win was the stakes attached to it. The Yankees, still chasing the AL East title, came in needing wins. Thornton, pitching for a Mets squad long since out of contention, understood the responsibility of that dynamic — spoiler status isn't passive, and he treated it accordingly. The Grand Canyon product wasn't just filling innings; he was competing for a future.

The Bigger Picture for Antelopes in the Majors

Thornton remains the most prominent GCU name in MLB right now, but he isn't alone. The Antelope alumni contingent across the league includes pitchers Nick Hull, Vince Reilly, and Frankie Scalzo Jr. with the Cubs, Pierson Ohl with the Rockies, and position players Tayler Aguilar (Rockies), Emilio Barreras (Marlins), Homer Bush Jr. (Rays), and Josh Wakefield (Astros). None generated headlines this week matching Thornton's, but the depth of GCU representation across MLB rosters tells a quiet story of a program punching well above its name recognition.

For now, Thornton is the headliner — and on a September Saturday in the Bronx, he looked every bit the part.