Happ goes for Astros in the desert

Baseball Betting Lines

09/05/2010 - (Sportsbook Betting Lines) - Newly-minted Astro lefty J.A. Happ can make it five wins in seven decisions with Houston today when they visit Chase Field to close out a three-game weekend series with the Arizona Diamondbacks.

Arizona won Friday's opener, 4-3, but Houston took game two after Carlos Lee hit the game-winning three-run home run in the eighth inning and drove in four to cap a 6-5 come-from-behind win. Lee finished 2-for-4 while Jeff Keppinger also went 2-for-4 and scored twice for the Astros, who have won four of five.

Mark Melancon (2-0) tossed a scoreless inning to grab the win in relief and Brandon Lyon stranded the potential tying run at third base in the bottom of the ninth to earn his 12th save of the season for Houston, which defeated the hosts for just a second time in their last 10 meetings.

Aaron Heilman (5-6) continued the D'Backs' year-long bullpen implosion by coughing up a three-run lead.

He suffered the loss after allowing four runs on four hits while recording just two outs for the Diamondbacks, who fell for only a second time in their last nine contests overall.

Arizona starter Joe Saunders yielded a pair of runs on three hits while walking two and fanning four in seven innings, turning a 5-2 lead over to Heilman.

Happ, a native of Spring Valley, Ill., was a surprise rookie star for the Philadelphia Phillies in 2009 and won 12 games while helping them to a second straight National League championship. He began 2010 with Philadelphia and was 1-0 in three starts before heading to Houston in the trade that sent veteran ace Roy Oswalt to the Phillies.

Happ won his first start with his new team on July 30 and is 4-2 with the Astros overall, including a complete-game gem over St. Louis on Aug. 30 in which he allowed just two hits, walked one and struck out four in a 3-0 victory.

The 27-year-old is 18-7 in 54 big-league outings.

He'll be opposed by veteran Arizona righty Rodrigo Lopez, who'll make the 194th start of a career that began with San Diego in 2000. Lopez won 15 games with Baltimore in both 2002 and 2005 and lost a league-high 18 times with the Orioles in 2006 before pitching for Colorado, Philadelphia and now the Diamondbacks since the beginning of 2007.

He and Happ were teammates with the Phillies last year, when Lopez was 3-1 in seven appearances with a 5.70 earned run average.

The 34-year-old Mexican is winless in nine starts since defeating Florida, 10-4, on July 8. In his last outing, on Aug. 29 at San Francisco, he gave up eight hits and five runs in just four innings of a 9-7 defeat.

Arizona has now won four of six meetings with the Astros this season.

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Sportsbook Betting Lines

Who Makes the Sportsbook Betting Lines?

Las Vegas Sports Consultants (LVSC) is the world’s premier oddsmaking company and the most respected authority on making the lines. Mike Seba is a Senior Oddsmaker at LVSC and has been making lines for the last six years. In our extended interview, Seba explained that there are 4-5 oddsmakers assigned to make lines for each of the major sports (pro & college football and basketball; MLB, NHL, boxing, golf). Each of these oddsmakers bring unique opinions, strengths and weaknesses to the process. Oddsmakers at LVSC are professional sports junkies who love what they do and would probably do it for nothing if you asked them, but they do get paid for it. By necessity their approach is very research-oriented and concise, since with millions of dollars at risk there is little margin for error.

“You either have a passion for it or you don’t,” Seba said.

“The #1 thing for us is to make a line for each game that creates good two-way action. We do this by drawing from past experiences and applying them to current situations. People think it’s much more complicated, but it’s not. “

What are the Football Betting Lines Trying to Accomplish?

There is a common misconception that point spreads represent the oddsmakers’ prediction of how many points the favorite will win by. That is not the case at all – their intent is NOT to evenly split the ATS result between the teams; rather, their goal is to attract equal betting action on both sides. Stated another way, they want to create a line that half the people find appealing to bet one way while the other half find it appealing to bet the other way (known as ‘dividing the action’).

Divided action means the sportsbook is guaranteed a profit on the game because of the fee charged to the bettor (called juice or vig – typically $11 bet to win $10).

How the Opening Line Is Made

The opening line is the first line created by the oddsmakers, which is then sent out to sportsbooks. Of course there is an entire method to the madness on how the opening line is created. Seba explained that it all starts with each oddsmaker creating a line on each game based upon their own personal approach. This usually includes having up-to-date power ratings on each team.

Power ratings are the oddsmaker’s value of each team and are used as a guide to calculate a "preliminary" pointspread on an upcoming game. The power ratings are adjusted after each game a team plays. Examples of non-game factors that would require an adjustment to a team's power rating are key player injuries and player trades.

Once a game’s power rating based pointspread is determined, the oddsmaker will make adjustments to that line after considering each team's most recent games played and previous games played against that opponent. Also, adjustments are made after reading each team’s local newspapers to get a sense of what the coaches & players are thinking going into the game.

Since the oddsmaker’s ultimate goal is equally dividing the sports betting action, public perception and sportsbook betting patterns must be taken into account. For example, the public might have heavy betting interest week after week on a popular college football betting team such as USC. If an oddsmaker comes up with a preliminary line of USC -7, then an adjustment up to -7.5 or -8 would be made in response to the public’s expected USC bias.

The last step in the line-making process for each oddsmaker is taking one final look to determine whether or not the line "feels right." This is where common sense and past experience with how games are bet enters into the picture.

A round-table discussion among the 4-5 oddsmakers involved in making the line for each sport is then conducted and a consensus line is decided upon by the Odds Director before it is released to the sportsbooks. Of the 4-5 oddsmakers, generally the 2 most respected opinions are weighed more heavily by the Odds Director before he decides on the final line.

Why Sports Betting Lines Change

Once the opening line is released by LVSC, the individual sportsbooks decide if they want to make any adjustments before offering it to the public. Reasons for such adjustments include:

Experts working for the individual books having a strong opinion on the game

Individual books having players who consistently bet with certain tendencies (such as an extreme bias toward favorites or toward a certain popular team like USC)

The purpose of these adjustments, like all line adjustments, is to more equally divide the betting action.

Once betting begins, sportsbooks can adjust the line at any time. In doing so they attempt to make more attractive the team that is getting less action. By moving the line, sportsbooks can influence how the public bets on a particular game.

For example, if the pointspread on a game is 7 and most of the money is coming in on the underdog (taking the +7), sportsbooks will then move the number down to 6 ½ to try and attract money on the favorite.

Moving the line is the oddsmaker's effort to balance betting action, and often times such moves can have a major impact on a bettor’s decision. Oddsmakers can also change the line depending on various event-related factors such as player injuries or weather. Obviously, if the line comes out a week ahead of the event (which is the case in football), there is much that could happen during the week leading up to the event that could affect the line. Oddsmakers have to determine if any changes are necessary and send out an "adjusted line."

“The main objective is that our clients get equal action on both sides,” Seba said. “We’re not trying to pick the team that covers the spread, we’re trying to make it a coin flip, a tough decision (for the bettor). If we’ve done that, we’ve done our job.”

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