Game over: Red Sox 15, Marlins 5: The Red Sox erupted for a season-high 15 runs on 16 hits, including four home runs that generated 10 runs, to climb into sole possession of fourth place in the AL East standings with a 35-33 mark before a Fenway Park crowd of 37,362.

David Ortiz led the barrage going 1 for 4 with 1 walk, 2 strikeouts and a grand slam in a six-run fourth that broke the game wide open, 12-4. Mike Aviles added a 3-run homer in the second, Jarrod Saltalamacchia had a solo shot in the fourth, and Will Middlebrooks had a two-run shot in the eighth.

Bottom of 8th: Red Sox 15, Marlins 5: Steve Cishek, the third reliever out of the Marlins' bullpen, entered the game for Chad Gaudin (2 IP, 2 H, 2 K) and got two quick outs before walking Saltalamacchia and giving up a two-run bomb to the Green Monster seats by Will Middlebrooks, his seventh homer of the season.

Top of 8th: Red Sox 13, Marlins 5: Mortensen gave up a one-out double to left to Omar Infante, but got out of the inning by inducing Austin Kearns to ground to third and Gaby Sanchez to fly to right.

Bottom of 7th: Red Sox 13, Marlins 5: After giving up a lead-off single to right to Nava, Gaudin gets Kalish to ground into a double play and Gonzalez to ground to first.

Top of 7th: Red Sox 13, Marlins 5: John Buck greeted Clayton Mortensen with a solo homer to the Green Monster seats. Mortensen had entered the game in relief of Doubront: 6 IP, 4 R, 9 H, 4 K, 1 HP, 1 HR.

Donovan Solano, in the game for Jose Reyes, followed with a high-fly double off the wall in the left, but Mortensen settled down and retired the next three batters he faced to get out of the inning.

Bottom of 6th: Red Sox 13, Marlins 4: Chad Gaudin entered the game in relief of Chris Hatcher (1.2 IP, 4 R, 4 H, 3 BB, 2 K, 1 WP, 2 HR) and gave up a one-out double off the wall to left to Kevin Youkilis, who was lifted for pinch-runner Will Middlebrooks. Gaudin got out of the inning by striking out Aviles and getting Punto to ground to short.

Top of 6th: Red Sox 13, Marlins 4: After giving up a lead-off single to left to Omar Infante, Doubront struck out Miami DH Austin Kearns (for the third time in the game) and got out of the inning by inducing Gaby Sanchez to ground into a 5-4-3 double play. Through six innings, Doubront has thrown 88 pitches, 60 for strikes.

Top of 5th: Red Sox 13, Marlins 4: Stop us if you've seen this movie before: David Ortiz, bases loaded, Miami's Chris Hatcher on the mound. This time, Hatcher got some payback for giving up a grand slam to Ortiz in the six-run fourth by striking out the Sox DH. But not before he allowed Nick Punto, who reached on a lead-off walk, to score from third on a wild pitch.

Top of 5th: Red Sox 12, Marlins 4: After giging up a lead-off single to Jose Reyes and hitting Logan Morrison to put two men aboard with two out, Doubront battled back to get out of the inning by fanning Ruggiano.

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Bottom of 4th: Red Sox 12, Marlins 4: Sox showed some great hustle in manufacturing their seventh run, before breaking it wide open. Mike Aviles, who reached on a hustling infield hit to short, hustled all the way to third on Daniel Nava's single to center. Aviles scored on Ryan Kalish's hustling RBI ground ball single to second, making it 7-4.

Chris Hatcher relieved Nolaso and allowed Adrian Gonzalez to reach on a single to right that loaded the bases for David Ortiz. The Sox DH cleared the bases, clobbering an 0-1 pitch from Hatcher by driving a ball to right field for a game-breaking grand slam, his first since July 27, 2011, vs. Kansas City.

After Ross flied out to center, Jarrod Saltalamacchia tagged Hatcher for a solo homer to straightaway center, giving him 13 homers for the season.

Nolasco's line: 3.1 IP, 9 R, 9 H, 1 BB, 1 K, 1 HR.

Top of 4th: Red Sox 6, Marlins 4: Logan Morrison, who drove in all five of Miami's runs in Tuesday night's 7-5 loss to the Red Sox, absolutely crushed a solo shot to right, clanging one off Pesky's Pole for his seventh homer of the season.

Ruggiano, who doubled his first time up in the second, followed Morrison's solo blast with a triple to center, and wound up scoring with two out on Gaby Sanchez's RBI flare to center.Doubront got out of the inning when he induced John Buck to ground to third.

Bottom of 3d: Red Sox 6, Marlins 2: Nolasco loaded the bases when he led off the inning by giving up back-to-back singles to Daniel Nava and Ryan Kalish before inducing Adrian Gonzalez to ground to first. David Ortiz drew an intentional walk to load the bases for Cody Ross, who cleared the bases with a 3-RBI double to left off Nolasco.

While Nava and Kalish easily scored, Ortiz chugged all the way home from first, beating out a throw to the plate by left fielder Logan Morrison. Ross wound up getting stranded at third after Nolasco got Jarrod Saltalamacchia to ground out to first and Kevin Youkilis to ground out to third.

Top of 3d: Red Sox 3, Marlins 2: Doubront twirled a 1-2-3 inning, getting a pop up to third and a pair of fly ball outs. After three innings, Doubront has thrown 40 pitches, 25 for strikes.

Bottom of 2d: Red Sox 3, Marlins 2: With one swing of the bat, Mike Aviles erased Miami's 2-0 lead, crushing a first-pitch offering from Nolasco for a three-run homer to left that scored Jarrod Saltalamacchia and Kevin Youkilis, both of whom reached on back-to-back singles with two out. It was Aviles' ninth homer of the season, giving him 40 RBI on the season.

Top of 2d: Marlins 2, Red Sox 0: Doubront gave up another run in the second when Justin Ruggiano ripped a lead-off double to right, then went to third on Omar Infante's bunt single that beat Doubront's throw to the bag, and scored on Gaby Sanchez's ground out to third.

Bottom of 1st: Marlins 1, Red Sox 0: Ricky Nolasco retired the Sox in 1-2-3 fashion in the first, needing only 10 pitches to do the trick.

Top of 1st: Marlins 1, Red Sox 0: Miami took an early lead on Felix Doubront, who started out the game by allowing back-to-back singles to lead-off hitter Jose Reyes and Hanley Ramirez. Reyes scored from third when Giancarlo Stanton grounded into a 6-4-3 to give Marlins a 1-0 lead.

Pregame: Greetings from a hot and hazy Fenway Park where the Red Sox (34-33) will host the Marlins (33-34) in the second game of this three-game interleague series which is part of a larger nine-game homestand for the Red Sox. LHP Felix Doubront (7-3, 4.17 ERA) will take the mound for the Sox and oppose Marlins RHP Ricky Nolasco (6-5, 4.37 ERA).

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