Underdog Promo Code: Play $5, Get $50 in Bonus Play for MLB Opening Day

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Opening Day is here, and the MLB season kicks off with a bang! New users can take advantage of the Underdog promo code FOXSPORTS to play $5 and get $50 in bonus play for the season opener, including the marquee matchup between the New York Yankees and San Francisco Giants.

All eyes will be on Aaron Judge, the back-to-back AL MVP, as he leads the Yankees against a Giants team looking to start strong in the National League. From early home runs to pitching duels, Opening Day is packed with moments that could set the tone for the season.

Claim your $50 bonus play after wagering $5 with the Underdog promo code FOXSPORTS and join the excitement of MLB Opening Day as the Yankees and Giants open the 2026 season. 

Underdog

 Claim the Underdog Bonus Code

1. Click here or on any “Claim Bonus” button on this page to go directly to Underdog Fantasy (bonus code FOXSPORTS applied automatically).
2. Register your account: provide full name, email, date of birth, address, and last 4 of SSN to verify eligibility.
3. Enter promo code ‘FOXSPORTS’ to lock in the welcome offer.
4. Deposit at least $10 using PayPal, debit card, or online banking.
5. Play $5 in pick’em or sportsbook markets.
6. Once the entry/first wager settles, Underdog credits $50 in bonus cash (usable across DFS or sportsbook).

New York Yankees vs. San Francisco Giants – Game Details

• Last Season: The Yankees went 94-68 (.580) while the Giants went 81-81 (.500).
• Pitching Matchup: Max Fried (NYY) vs. Logan Webb (SF).
• Location: San Francisco; Wednesday, 8:05 p.m. EDT.
• Betting Line: Yankees -124; Giants +104; O/U 7 runs.
• How to Watch: Game will be streamed on Netflix.

Team Performance (2025 Season)

• Road Performance – New York: Went 44-37 away from home last season.
• Home Performance – San Francisco: Went 42-39 at home last season.

Offensive Production (2025 Season)

• Yankees Sluggers: Slugged .455 with 1.7 home runs per game last season.
• Giants sluggers: Posted a .386 slugging percentage with a .697 OPS last season.

Starting Lineups

Yankees Lineup

1. T. Grisham (L) CF
2. A. Judge (R) RF
3. C. Bellinger (L) LF
4. B. Rice (L) 1B
5. G. Stanton (R) DH
6. J. Chisholm Jr. (L) 2B
7. J. Caballero (R) SS
8. R. McMahon (L) 3B
9. A. Wells (L) C

Giants Lineup

1. L. Arraez (L) 2B
2. M. Chapman (R) 3B
3. R. Devers (L) DH
4. W. Adames (R) SS
5. J. Lee (L) RF
6. H. Ramos (R) LF
7. C. Schmitt (R) 1B
8. P. Bailey (S) C
9. H. Bader (R) CF