MLB Top 3 Plays, August 8: Three Moneylines

Astros, Rockies and Tigers all grade out as A plays tonight — same letter grade, three very different reasons to like them.

By Hank Whitmore ·

The board today is a moneyline board, not a totals board

Three plays, three moneylines, three A grades. That's not me trying to be cute — it's just how the numbers landed today. No unders masquerading as system plays, no run-line side bets dressed up as conviction. Straight prices, straight edges. Let's get into it, strongest number first.

Astros moneyline (+108)

HOU at SD, Petco Park. The model has Houston winning this game 59% of the time, and against a market price of +108 that's a 5.6% edge — the largest number on the board today. Peter Lambert takes the ball for Houston with a 3.56 FIP; Michael King goes for San Diego at 3.99 FIP. Small gap, but it's there, and it shows up in the projected score: 4.5 for Houston, 3.4 for San Diego, a 7.9 total against a market total of 8.

This isn't a game where the run environment is screaming at you. Offense grades out neutral at 42. Pitching comes in suppressed at 35, bullpen even more so at 17, and park/weather suppressed at 37 with a park score of 28 and weather at 25. Petco is playing more pitcher-friendly than average tonight by the model's own read, which lines up with that sub-8 projected total. The case for Houston here isn't about fireworks. It's a straightforward FIP edge on the mound plus a price that isn't fully reflecting it.

Rockies moneyline (+138)

COL at STL, Busch Stadium. This one's a genuine pick 'em by the model's own math — Colorado projects at exactly 50% to win the game outright. At +138, the market is pricing them well below a coin flip, and the edge comes out to 4.8%. Kyle Freeland starts for Colorado, Matthew Liberatore for St. Louis, and they show identical 4.54 FIPs. Nobody's winning this one on starting pitching alone.

Where it gets interesting is the bullpen split: 73, clearly elevated, against offense at 47, pitching at 51 and park/weather at 42 — all neutral readings. That elevated bullpen number matters given the projected score, Colorado 5.2 to St. Louis 5, a combined 10.1 runs against a market total of 8.5. The model thinks this game plays fuller than the total on the board and Colorado grabs a coin-flip result at plus money. Take the plus-money coin flip every time the market lets you.

Tigers moneyline (-112)

DET at SF, Oracle Park. Detroit projects to win this one 64% of the time, and the edge over the -112 price comes in at 5.6% — tied with the Astros number for the top mark today, even if the games look nothing alike. Jackson Jobe starts for Detroit; no FIP is listed for him in the model's data, so I'm not going to manufacture one. Landen Roupp starts for San Francisco at 3.38 FIP.

The components here tell a specific story. Offense is suppressed at 38, pitching suppressed at 32, park/weather suppressed at 33, with a park score of just 22 — Oracle Park playing as a real run-suppressor tonight. But bullpen sits elevated at 68. The projected score, Detroit 5, San Francisco 3.3, adds to 8.3 against a market total of 8, so the totals number is basically in line even as the underlying components lean toward a lower-scoring game overall. Detroit's the play at a shade of plus-money-adjacent risk, minus-112, on a 64% number the model isn't backing off of.

Where that leaves you

Three A grades, three different flavors of edge — a straightforward FIP gap in San Diego, a bullpen-driven coin flip in St. Louis, and a suppressed-park, elevated-bullpen read in San Francisco. Same letter grade doesn't mean identical conviction; read the number, not the grade, and size accordingly.

See the model’s graded picks →