Baseball Betting: Red Sox vs. Mariners Odds & Predictions: July 4th 2009

Boston Red Sox vs. Seattle Mariners
Free Pick: Boston Red Sox -1.5 (-110) - Sat Jul 4 ‘09 1:05p
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The Seattle Mariners nipped the Boston Red Sox 7-6 in extra innings last night, but we look for the Red Sox to get a measure of revenge this afternoon.

Even with that defeat last night, Boston is still 25-11 at home this season while outscoring the opposition by an amazing +1.75 runs per game, making the Run Line always worth a peek when they play at Fenway Park. Their starter Brad Penny has now allowed three runs or less in four straight starts and seven of his last eight, and he has tossed 11 scoreless innings while allowing only nine hits in his last two starts here at home.

Meanwhile, Garrett Olson has been as erratic in his first year with the Mariners as he was with the Baltimore Orioles, as he has a lofty 6.06 ERA over his last three starts. Olson has never fared well vs. Boston either, as he has yet to post a Quality Start in seven career starts against them, all of which have come in the last two years. He has a horrible 7.71 ERA in those outings, a figure that jumps to a whopping 8.82 in three starts at Fenway.

Finally, Boston has pummeled left-handed pitchers over the last 10 games to the tune of a .312 team average, which makes a multiple-run win even more likely in this spot.

MLB Free Pick: Red Sox -1.5 (-110)