In baseball sports betting, a Handicap -4.5 (also called Run Line -4.5) means:
- The favored team must **win the game by at least 5 runs for your bet to win.
- If they win by 4 runs or fewer, or lose, your bet loses.
Example:
You bet on the Yankees -4.5 vs. Red Sox.
- If Yankees win 10–5 → You win (won by 5 runs)
- If Yankees win 7–3 → You win (won by 4 runs? No, 7–3 = 4-run win → You lose)
- If Yankees win 6–2 → You lose
- If Yankees lose or draw → You lose
Summary:
- Handicap -4.5 = the team you bet on starts with a -4.5 run disadvantage
- They need to cover that spread by winning by 5 or more runs
Let me know if you want the opposite (like +4.5) explained too.

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