Slumping Diamondbacks visit Mets

Baseball Betting Lines

07/30/2010 - (Sportsbook Betting Lines) - The slumping Arizona Diamondbacks head to New York in hopes of notching a rare road win when they open a three-game weekend series with the Mets at Citi Field.

The Diamondbacks, now 24 games off the pace in the National League's West Division, have lost seven straight games as they head to Queens, including three straight at Philadelphia in a series that concluded Thursday night.

Wilson Valdez helped the Phillies celebrate the acquisition of pitcher Roy Oswalt with an RBI single in the bottom of the 11th inning for a 3-2 win.

Miguel Montero hit his third home run of the season and finished with two RBI for the Diamondbacks.

Joe Saunders made his first start with the D'Backs after he was traded to Arizona in the Dan Haren deal on Sunday. Saunders was charged with two runs on nine hits and four strikeouts over seven innings.

Cody Ransom drew a one-out walk in the bottom of the 11th off of Esmerling Vasquez (1-4) and moved to second base when Carlos Ruiz singled. Valdez then stepped to the plate and laced a base hit to center field. The throw from Chris Young partially hit the pitcher's mound, which helped Ransom slide safely into home plate as the Phillies celebrated the victory.

Arizona has won just 13 of 49 road games so far in 2010.

On the mound, right-hander Ian Kennedy makes his second start against the Mets in 11 days.

He earned a 13-2 victory in the initial matchup on July 19 in Phoenix, allowing four hits and a run in five innings to notch his fifth victory of the season.

One start since ended in loss No. 8 for Kennedy, who was touched for six hits and four runs in 6 2/3 innings of a 10-4 defeat against San Francisco.

He is 2-5 in 10 road starts with a 4.70 earned run average.

For the Mets, 6-foot-7 right-hander Mike Pelfrey can erase the bad taste from the aforementioned July 19 game.

The 26-year-old was raked for seven hits and six runs while retiring only four batters and walking two against the Diamondbacks, who handed him his third straight loss since starting the year at 10-2.

Pelfrey, the ninth overall draft selection in 2005, hasn't won since a 5-2 interleague defeat of Minnesota on June 25.

He is winless in six career matchups with Arizona, going 0-5 with a 6.75 ERA. However, he is 6-2 in 11 home starts in 2010.

On Thursday, rookie Ike Davis hit a three-run homer and knuckleballer R.A. Dickey went 8 1/3 innings as the Mets earned a 4-0 win over the St. Louis Cardinals in the rubber match of a three-game home set.

Angel Pagan chipped in two hits including a triple and scored twice, while Carlos Beltran contributed a run-scoring single for the Mets, who won for only the third time in the last 10 games.

Dickey (7-4), who was working on three days rest after exiting his last start on Sunday with a left leg injury after 5 2/3 innings, was sensational. He yielded only four hits, finishing with two strikeouts and a pair of walks. Francisco Rodriguez retired the final two batters in the ninth to pick up his 22nd save of the season.

The Diamondbacks swept a three-game set at home over the Mets from July 19-21 and have won seven of the last eight in the series.

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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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