The National League West is witnessing significant roster changes as teams gear up for the 2025 season. The Los Angeles Dodgers have made a notable move by re-signing slugger Teoscar Hernández to a lucrative three-year deal worth $66 million. This decision aligns perfectly with the team's strategy and Hernández's aspirations. Meanwhile, in a surprising turn of events, the Arizona Diamondbacks secured the offseason's top free agent pitcher, Corbin Burnes, with a six-year contract valued at $210 million, which includes an opt-out after 2026. Burnes, who resides in Arizona, is expected to bolster the Diamondbacks' rotation after they narrowly missed the postseason last year.

The Dodgers, coming off a World Series championship, have also added Blake Snell to their pitching staff, aiming to strengthen their rotation. This move is seen as an upgrade over the performance of Walker Buehler and Jack Flaherty in 2024. With a roster featuring high-caliber pitchers like Tyler Glasnow and Shohei Ohtani, the Dodgers are poised for another strong season. However, they face challenges, including the need to sign Roki Sasaki and possibly re-sign Clayton Kershaw.

On the other hand, the San Diego Padres have had a quiet offseason, with no significant additions to their roster despite a strong 2024 campaign. Their focus now shifts to filling gaps in left field, catcher, and starting pitching, particularly after Joe Musgrove's Tommy John surgery. The Diamondbacks, while losing some key players, are expected to trade Jordan Montgomery to further improve their roster. The San Francisco Giants and Colorado Rockies are also navigating their offseason needs, with the Giants seeking to stabilize their rotation and the Rockies struggling to remain competitive.

The MLB offseason is witnessing a significant financial shift, highlighted by Juan Soto's monumental 15-year contract with the New York Mets, valued between $765 million and $805 million. This deal surpasses Shohei Ohtani's previous record, signaling a new era of spending.

Despite recent downturns in spending due to external factors, this offseason has already seen over $2 billion in deals, with several players exceeding projections. The disparity between high and low-spending teams remains a concern, prompting discussions about potential reforms in revenue-sharing and payroll regulations.

The San Francisco Giants are poised for a transformative offseason with Buster Posey stepping in as the new president of baseball operations. Following the departure of Farhan Zaidi, the team faces several roster uncertainties, particularly regarding veteran outfielder Mike Yastrzemski.

Yastrzemski, who is nearing free agency, may be a prime trade candidate due to the emergence of younger talent. His solid offensive stats could attract interest from teams like the Seattle Mariners, who are looking to bolster their lineup.

The San Francisco Giants are expected to tighten their financial belt for the 2025 MLB season after a disappointing 2024 campaign, finishing fourth in the NL West. Under new president of baseball operations Buster Posey, the team plans to reduce payroll from last year's $206 million, which exceeded the luxury tax threshold.

With only $30-$40 million available for new signings, the Giants will likely miss out on high-profile targets like Juan Soto and Blake Snell. Chairman Greg Johnson emphasized that while there is no fixed budget, the organization aims to make smart decisions to build a competitive team.

The Seattle Mariners are once again in search of a second baseman after declining Jorge Polanco's option due to his injury struggles. With the 2025 season approaching, the Mariners are reportedly considering KBO infielder Hye-Seong Kim as a potential solution.

Kim, a 25-year-old standout, has drawn attention for his impressive offensive stats and exceptional defensive skills, making him a strong candidate for Seattle's future. The Mariners may be shifting their strategy to explore international talent, marking a change from their recent reliance on veteran players.