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San Diego Padres

2026 Projected Lineup, Rotation, and Player Prop Analysis

NL West
Petco Park, San Diego, CA
Updated: February 2026
#23 Fernando Tatis Jr. San Diego Padres 2026
Fernando Tatis Jr.
Right Field
25
HR (2025)
.268
AVG (2025)
32
SB (2025)
#13 Manny Machado San Diego Padres 2026
Manny Machado
Third Base
27
HR (2025)
.275
AVG (2025)
.795
OPS (2025)
#3 Jackson Merrill San Diego Padres 2026
Jackson Merrill
Center Field
.264
AVG (2025)
16
HR (2025)
.774
OPS (2025)

Key Offseason Changes

The Padres enter 2026 having lost more than they gained, creating a compelling contraction storyline in a loaded NL West. Dylan Cease departed to the Blue Jays on a massive $210M deal, while Yu Darvish announced his retirement, ripping two key rotation pieces away. Luis Arraez also left via free agency, eliminating one of baseball's best contact hitters from the lineup.

On the additions side, San Diego retained ace Michael King on a three-year, $75M extension and signed Korean superstar Sung-Mun Song to a four-year, $15M contract with opt-outs. Song hit .315/.387/.530 with 26 homers for the Kiwoom Heroes, though an oblique injury has already sidelined him for four weeks heading into spring training. The bullpen got a major boost with the addition of Mason Miller, giving San Diego one of the most dominant closers in baseball.

With a $220M payroll virtually unchanged from 2025, the Padres have limited flexibility. A.J. Preller is reportedly exploring trades of Nick Pivetta to create cap space for a potential Framber Valdez signing, though nothing has materialized yet.

Projected Starting Lineup

Order Player Position Prop Notes
1 Jackson Merrill CF 2025 ROY finalist, emerging power
2 Manny Machado 3B Elite RBI opportunities batting 2nd
3 Fernando Tatis Jr. RF 40/40 upside when healthy
4 Xander Bogaerts SS Bounce-back candidate at premium position
5 Jake Cronenworth 2B Switch-hitter, consistent producer
6 Sung-Mun Song 1B Korean import, power potential (oblique injury)
7 Ramon Laureano LF Defensive upgrade, platoon bat
8 Freddy Fermin C New starter behind the plate
9 Gavin Sheets DH LH power bat, platoon DH

The lineup remains anchored by the Machado-Tatis-Bogaerts core, but questions linger elsewhere. First base is essentially a vacant hole, with Sung-Mun Song the presumed starter but already nursing an oblique injury. Jackson Merrill's breakout 2025 campaign positions him as a key table-setter, though regression could occur. The catching situation has Freddy Fermin starting with Luis Campusano (out of options) fighting for the backup role.

Projected Starting Rotation

Slot Pitcher Throws Prop Notes
SP1 Michael King R Ace after $75M extension, strikeout upside
SP2 Nick Pivetta R Trade candidate, high K rate but volatile
SP3 Joe Musgrove R Returning from TJ surgery, full go for ST
SP4 Randy Vasquez R Emerging arm, limited track record
SP5 JP Sears L Acquired from Oakland, deceptive lefty

The rotation looks formidable at the top with King, Pivetta, and a healthy Musgrove, but the back end is where problems emerge. Losing Dylan Cease and Yu Darvish gutted the depth, leaving Randy Vasquez and JP Sears as question marks. Pivetta's $20.5M salary makes him a prime trade chip if Preller wants to chase a bigger arm. Marco Gonzales is in camp on a minor league deal as rotation insurance.

Bullpen & Closer Situation

Closer: Mason Miller inherited the role and brings elite-tier stuff. The former Oakland Athletic features triple-digit velocity with a devastating slider, making him one of the most dominant late-inning arms in baseball. Save opportunities should be plentiful if the Padres stay competitive.

Setup: Jeremiah Estrada handles the 8th inning with a power arm that misses bats. Yuki Matsui provides a lefty option with crossover appeal, while Adrian Morejon adds depth with swing-and-miss stuff. Jason Adam is currently dealing with an injury (listed as Out).

Middle Relief: Wandy Peralta serves as the experienced veteran arm capable of getting lefties out. The bullpen overall is a strength, assuming Mason Miller stays healthy and continues dominating at elite levels.

Prop Betting Angles

Fernando Tatis Jr. Total Home Runs: When fully healthy, Tatis has shown 40-homer power with elite bat speed. With a full season at RF and batting cleanup, the HR over could have value if the number sits in the low 30s. Injury risk is the primary concern, as always with Tatis.
Michael King Wins Total: As the undisputed ace on a team projected for 82-86 wins, King will get the ball in crucial situations. The Padres need him to log 180+ innings, and if Petco Park continues to suppress offense, his ERA could stay sub-3.00 even without elite run support.
Mason Miller Saves: Miller in his first full year as an established closer on a contending team is fascinating. If San Diego stays in the Wild Card hunt, 35+ save opportunities are realistic. His strikeout rate could produce some of baseball's most dominant save situations.
Jackson Merrill Total Hits: As the leadoff hitter with 650+ plate appearances likely, Merrill could be a sneaky hits prop target. His 2025 breakout included quality contact skills, and batting atop a lineup with Machado/Tatis/Bogaerts behind him guarantees fastballs.
Xander Bogaerts RBIs: Bogaerts disappointed in 2025 but remains in a premium lineup spot. If he bounces back to his 2023 form while batting 4th behind Tatis and Machado, 85+ RBI is achievable. The under may be the safer play if you expect continued decline.
Joe Musgrove Strikeouts: Returning from Tommy John surgery, Musgrove's strikeout upside is capped until he rebuilds arm strength. The under on his K total could be valuable early if books don't account for post-TJ velocity loss. Monitor his spring training velocity closely.

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