This article is part of a series chronicling the individual seasons of players who appeared for the Arizona Diamondbacks in 2024.
Reviews for players who still have rookie eligibility for 2025 will appear in our prospect season reviews. Players are presented in the reverse order of their aWAR, an average of Baseball Reference and FanGraphs WAR.
2024 Contract status: Arbitration, one year, $925,000.
The Arizona Diamondbacks’ bullpen had its moments of greatness, along with its inconsistency. But left-hander Joe Mantiply put forward one of the more consistent seasons from a D-backs reliever. He might not have put out the flashiest numbers – as he rarely does – but the former All-Star served his role admirably, and as a whole, pitched better than the box score might show.
As relief numbers can be volatile, Mantiply’s season began on a somewhat low note, giving up three hits and two runs against the Colorado Rockies. That set his ERA at a lofty 18.00 after just one appearance.
After that, he put out five scoreless showings, allowing just two hits in that span. He allowed a run in just three of his 14 April appearances, good for a 3.09 monthly ERA.
In May, he collected his first save of the season, and also made his first start of 2024, serving as a one-inning opener against the Los Angeles Dodgers, doing so in scoreless, hitless fashion..
A poor outing against the Tigers in a blowout loss on May 18 saw his ERA spike again, when he gave up three runs without recording an out. But he allowed just three hits and one run in his other 10 May appearances.
He maintained an effective middle relief pace, tending to surrender runs in the middle of months, but pitching well for the most part. He never allowed more than five earned runs in a month’s worth of action, and finished with a 3.92 ERA.
But that number is bolstered by a stellar 2.51 FIP and 3.24 xERA, meaning he was often the victim of poor batted ball luck, and rarely gave up the long ball, with a sparkling 0.15 home runs per nine, with just one homer allowed in 59.2 innings.
Those 59.2 innings nearly matched his 2022 total (60.0), and the former All-Star pitched nearly as well as he did in his 2022 campaign, despite being the only effective left-hander in Arizona’s bullpen for the majority of the season until A.J. Puk was added at the Trade Deadline.
Mantiply had to face some of the game’s best hitters, and wasn’t limited to just left-handed batters. Of course, he found some success against MLB’s top superstar in Shohei Ohtani, limiting the Japanese sensation to just one hit and three strikeouts in nine plate appearances.
Mantiply’s ability to deliver against some of the best of the best, while pitching to an overall excellent season despite some occasionally poor results, made him a valuable asset to the D-backs’ relief corp, maintaining a consistent stability in the heart of close games.
2025 Contract status: Arbitration 2
Mantiply will be arbitration-eligible again in 2025. While he is 34 years old, he’s only pitched significant innings in the majors in his last four seasons. He made $925,000 in his first year of arbitration in 2024, and will be a likely return for the D-backs in 2025.
Spotrac estimates Mantiply’s second year of arbitration will land him a deal worth $1,580,000 in 2025, and he won’t be a free agent until 2027.
With the steady, consistent nature of his play, and the premium that effective left-hand relievers are considered to be, it will be a surprise if Mantiply is not pitching significant innings for Arizona again for the 2025 season, barring injury or severe underperformance.
Arizona remains one of the fastest-growing states in the country, but new migration data suggests that growth is starting to level out.
According to the latest numbers from U-Haul, Arizona ranked number seven nationwide for growth in 2025. While that is down one spot from the year before, it marks the sixth consecutive year the state has remained in the top ten.
The rankings are based on more than 2.5 million one-way moving transactions for the Arizona-based company.
What stands out in the data is how close those numbers are.
In 2025, 50.3% of U-Haul’s one-way moves came into Arizona, while 49.7% moved out. In practical terms, that means for nearly every family moving into the state, there is another one packing up and leaving.
That does not mean Arizona is losing population. However, it does suggest the margin of growth is getting thinner than it has been in recent years.
Even with that shift, the greater Phoenix metro area continues to be a major driver of growth. Phoenix ranked fifth nationwide among U.S. metro areas, fueled by job creation and new housing across the Valley.
U-Haul leaders point to continued development tied to major employers, including chip manufacturing and data centers, as well as ongoing residential construction, as reasons Phoenix remains a top destination.
Experts who study migration trends say when in-migration and out-migration numbers get this close, it can be a sign that affordability pressures are starting to play a role, especially when it comes to housing.
The latest data does not point to a mass exodus, but it does show Arizona entering a period of transition, balancing opportunity and growth with affordability concerns.
The 2026 Arizona Legacy Races in Buckeye, Ariz., are ringing in a new year for futurity horses December 30 – January 6, at the Buckeye Equestrian & Events Center. Formerly known as the MVP Futurity and Greg Olson Futurity, these two races have been a staple in many professional trainers’ schedules for decades. This year, the two events boast $22,000 in added money.
Linzie Lindsey and Fame Dancin Yola claimed the Round 1 win with a 17.577 for $1,959. Barbara Merrill rode TKW Eye Am Tess to the 2D win.
After finishing out of the 1D money in Round 1, Loralee Ward and Dark Honey ran the fastest time of the futurity with a 17.030 to claim the Round 2 win. The duo also earned the Futurity Reserve Championship for $1,652.
Lindsey and Fame Dancin Yola finished second in Round 2 with a 17.164, adding $1,603 to their futurity earnings and claiming the Futurity Championship for another $2,019.
Jenna Duhon and PMC AintSheBeautiful earned the Round 2 2D win. In the 2D Average, it was Estella Martin and Quanahs Kingdom claiming the win.
Round 1 of a very tough Derby went to Jana Bean and Feature This Goodbye with a 17.268. 2025 futurity standout Blissful Version and Lora Nichols finished second in Round 1 with a 17.282, won Round 2 with a 17.032, and claimed the Average win.
“Buddy” and Nichols were in contention for the highest money-earning futurity horse of the previous season, before the cancellation of the last two major events of the season due to EHV-1. By $7 million sire Winners Version, Buddy banked over $300,000 in his futurity year.
Megan McLeod-Sprague and Seis Corona (“Jagger”) were hot off the 2025 National Finals Rodeo. The duo won the Roohide Hot Rod with a 17.004 for $1,368. They also earned the Friday Open 1D win for $1,083.
With the first 16-second run of the weekend, Sherry Cervi and MP Meter My Fame won the Saturday Open 1D with a 16.969.
Rita Cheeney and HP Dash Ta Fairfax ran the only other sub-17-second run of the weekend, with a 16.996 that took the top spot in Sunday’s Open 1D.
Nichols and Buddy doubled down on their derby earnings, placing deep in the Open 1D both days, as well as the Roohide Hot Rod, and Big Time Boss.
Youth competitor Tabitha Dyal also had an outstanding weekend, earning Open 1D money Friday, Saturday, and Sunday aboard Slym Shady. She swept the Youth 1D on Slym Shady and earned Open 1D, Open 2D, and Youth 1D checks on Promise Me Fame Guys and Smooth Operraider. Dyal wrapped up her weekend with several checks in the Big Time Boss.
Authorities say a prominent California agriculture heir is accused of traveling to Arizona to kill his estranged wife amid a bitter divorce, a case now drawing national attention for its cross-state trail and high-profile ties.
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