31 July 2017

Ratings and Projections through 7/30: Indians Quietly Third Best Squad in Baseball

Hey, everyone! The Cleveland Indians are actually playing pretty well. It's hard to notice, sometimes, with the Dodgers and Astros tearing it up, but the Tribe are currently the third best squad in the game. Projections, observations and good links below the jump.

Projected End-of-Season Win Totals with 80% Prediction Intervals


Top Teams through 7/30:
  1. Los Angeles Dodgers (.644)
  2. Houston Astros (.623)
  3. Cleveland Indians (.581)

20 July 2017

Ratings and Projections through 7/20: Dodgers Continue Quest for Historic Season

I won't be able to post tomorrow, so this week's ratings and projections post arrives a day early. Today's subject: how very very very very good the Los Angeles Dodgers are.

RPScore Trends for Select Teams Season-to-Date


Top Teams through 7/20:
  1. Los Angeles Dodgers (.652)
  2. Houston Astros (.632)
  3. Washington Nationals (.582)

14 July 2017

If the Season Ended Yesterday, 7/13: Dodgers Face Astros in Powerhouse Series

With the All-Star Break putting regulation baseball on hold for the past few days, there are no updates to the RPScore leaderboard or end-of-season projections. Instead, let's take a look at what would happen if the season ended today (or last Sunday).

Probability of Series Victory for Teams Occupying Playoff Spots as of 7/13/17

Comments and Observations:
  • The Houston Astros have a slight edge over the Los Angeles Dodgers in RPScore, but if the season were over the Dodgers would have won home field advantage in the World Series by percentage points.
  • This is partly why LA would have a 31% chance of winning the 2017 World Series while Houston haCettle for a measly 27%.
  • The NL would be the weaker group, thanks to the sub-.500 (in RPScore) Colorado Rockies and Milwaukee Brewers taking the NL Central crown and second wild card spot, respectively.
  • This is part of the reason why the Dodgers would be somewhat more likely to win their first pennant since 1988 than the Astros would be to return to the series for the first time since 2005 (and their first time as an American League squad).
  • My model would favor the New York Yankees to reach the division series for the first time since 2012.



More Comments and Observations:
  • The most likely individual outcome would be a Dodgers win over the Astros in seven games.
  • The top 10 most likely outcomes involve either Houston or Los Angeles winning it all.
  • The first winning outcome that does not project favorably for the two RPScore leaders is a Washington Nationals win over Houston in seven games, 14th overall.
  • Every team has a chance, even the Boston Red Sox (over LA in seven, #20), Cleveland Indians (over LA in seven, #31), Yankees (over LA in 7, #52), Arizona Diamondbacks (over Houston in seven, #58), Milwaukee (over Houston in seven, #61), the Tampa Bay Rays (over LA in seven, #96) and Colorado (over Houston in seven, #111).



Just because there wasn't any real baseball this past week doesn't mean there wasn't any real baseball writing. Here's a sample of the good stuff:
  • There's no point in beating around the bush, here. Matt Swartz is doing a month-long residency at FanGraphs and it's awesome, because he's one of the best and most readable baseball economists out there and this means he'll be writing more great, readable baseball economics. Dr. Swartz is writing about free-agent valuations again. If you're curious about how much a win is worth on the open market, this is a series you'll want to delve into.
  • Only free agents get to sell their labor on the the MLB (somewhat) open market, but what would baseball look like if first year players could, too? Even better baseball and more parity, writes Jack Moore.
  • The Astros and Dodgers may be playing at a blistering pace, but some pitchers are just blistering. Ben Lindbergh has the story.
  • I'm glad baseball (that counts) is back, but that was a heck of a show that Aaron Judge put on during the much-anticipated Home Run Derby. Maury Brown has the ratings bump data to prove it.

10 July 2017

Ratings and Projections through 7/9: Astros, Dodgers on Fire at the Halfway* Mark

The .002 that separates the Houston Astros and Los Angeles Dodgers in RPScore heading into the All-Star Break is only slightly less significant than the one-win gap that separates their blistering end-of-season projections.

Projected End-of-Season Win Totals with 80% Prediction Intervals


Top Teams through 7/9:
  1. Houston Astros (.637)
  2. Los Angeles Dodgers (.635)
  3. Cleveland Indians (.573)

Projected AL Seeds:*
  1. Houston (107 - 55)
  2. Cleveland (91 - 71)
  3. Boston Red Sox (89 - 73)
  4. New York Yankees (87 - 75; 1st WC)
  5. Tampa Bay Rays (84 - 78; 2nd WC)
  6. Kansas City Royals & Texas Rangers (81 - 81; 1st out)

Projected NL Seeds:*
  1. Los Angeles (108 - 54)
  2. Washington Nationals (95 - 67)
  3. Milwaukee Brewers (85 - 77)
  4. Arizona Diamondbacks (92 - 70; 1st WC)
  5. Colorado Rockies (88 - 74; 2nd WC)
  6. Chicago Cubs (83 - 79; 1st out)
*Margin of error (80% prediction interval): +/- 7.5 wins

Comments and Observations:

The story of the season through the midway ~54.5679% point has clearly been the red hot play of the Houston Astros and Los Angeles Dodgers. Both teams have won 60 games already. Both teams lead baseball in RPScore, not to mention Pythagorean win rate, Base Runs-adjusted Pythagorean win rate, and park-adjusted, schedule-adjusted, Base Runs-adjusted Pythagorean win rate (1º Win, 2º Win and 3º Win on the RPScore leaderboard, respectively). Both teams project to win their divisions by a combined 42 (!) games, posting 107+ wins. I estimate that there's a ~10% chance that one of these teams tops 114 wins; I estimate a ~1% chance that both teams do.

There are, however, 28 other teams (fact) and they have done some interesting things as well (opinion, but I stand by it).

07 July 2017

Ratings and Projections through 7/6: Dodgers Lead, Nats Crack Top Three

For the first time since I began weekly updates this season, we have a new top three in the RPScore rankings and significant movement atop the end-of-season projections.

RPScore Trends for Select Teams Season-to-Date


Top Teams through 7/6:
  1. Los Angeles Dodgers (.6312)
  2. Houston Astros (.6311)
  3. Washington Nationals (.573)