BOSTON (Interstat) — The Boston Red Sox erased a three-run deficit with a four-run seventh inning Saturday afternoon, rallying past the Tampa Bay Rays 7-6 at Fenway Park before an announced crowd of 33,077.

The game lasted 2 hours, 44 minutes.

Boston improved to 49-48, while Tampa Bay fell to 56-41.

Ryan Watson earned the victory, his first of the season, after tossing one inning of scoreless relief. Garrett Cleavinger took the loss, falling to 2-3, after allowing a run on one hit in one-third of an inning. Aroldis Chapman recorded his 21st save with a scoreless ninth.

Tampa Bay struck first in the second inning. Ryan Vilade doubled and scored on a single by Chandler Simpson, who advanced to second on a throwing error by second baseman Anthony Seigler. Nick Fortes followed with a run-scoring single to give the Rays a 2-0 lead.

The Red Sox answered in the bottom half. Jahmai Jones hit a two-run homer, his third of the season, scoring Andruw Monasterio, who had walked. The game was tied 2-2.

Boston went ahead in the third when Wilyer Abreu drilled a solo home run, his 14th, to center field. The Rays reclaimed the lead in the fourth with three runs. Victor Mesa Jr. led off with a solo homer, his sixth. After a strikeout, Richie Palacios doubled and scored on a single by Yandy Díaz. The inning ended with Jonny DeLuca doubling to center, but Díaz was thrown out at home.

Tampa Bay led 5-3. The Rays extended the lead in the seventh when DeLuca homered to left center, his sixth, making it 6-3.

The pivotal moment came in the bottom of the seventh. Monasterio led off with a double to left. Jarren Duran reached on a throwing error by first baseman Ryan Vilade, putting runners at second and third. Masataka Yoshida grounded out to shortstop, scoring Monasterio and moving Duran to second. After a strikeout, Ceddanne Rafaela doubled to center, driving in Duran to cut the lead to 6-5. Abreu followed with his second homer of the game, a two-run shot to right center, putting the Red Sox ahead 7-6.

Boston’s bullpen held the lead. Watson retired all three batters he faced in the eighth. Chapman worked the ninth, allowing a walk to Palacios and a walk to Díaz but getting DeLuca to ground out to end the game.

Tampa Bay outhit Boston 10-6. DeLuca went 2-for-5 with a home run and an RBI. Simpson was 2-for-4 with a double and an RBI. Palacios doubled and walked. Mesa Jr. homered. Vilade doubled and scored.

For Boston, Abreu homered twice and drove in three runs. Rafaela doubled and drove in a run. Jones homered. Monasterio doubled twice and scored.

On the mound, Tampa Bay starter Ian Seymour allowed three runs on two hits over three innings, striking out four. Kevin Kelly threw two scoreless innings of relief. Cam Booser tossed a perfect inning with a strikeout. Cole Sulser gave up one hit but no runs in two-thirds of an inning.

Boston starter Patrick Sandoval allowed five runs on seven hits over four innings, striking out three. Watson worked a perfect sixth. Zack Kelly and John Schreiber each threw a scoreless inning before Chapman closed it out.

The win improved Boston’s record at home against Tampa Bay this season. The teams had split a doubleheader Friday, with the Red Sox winning both games. The Rays had taken two of three in Boston in May.

Tampa Bay now has lost two straight after dropping the doubleheader Friday. The Rays had won four of their previous six before that. Boston has won three in a row after sweeping a weekend series against the New York Mets and taking the first two games of this series.

The game was the middle contest of a three-game weekend set. The series concludes Sunday. After that, Tampa Bay travels to Toronto for a four-game series starting Monday. Boston returns home to host Baltimore on Monday.

Key individual performances included Palacios going 1-for-3 with a double and a walk, Vilade 1-for-3 with a double, Casey Legumina allowing one run on one hit in one inning, Simpson 2-for-4 with a double and a stolen base, Cam Booser throwing a scoreless inning with one strikeout, DeLuca 2-for-5 with a home run and an RBI, Seymour going three innings with three earned runs and four strikeouts, Sulser giving up one hit in two-thirds of an inning, Cleavinger allowing one run on one hit in one-third of an inning, and Kevin Kelly tossing two scoreless innings with two strikeouts.

The game featured two lead changes and a tie. The Rays took a 2-0 lead in the second, the Red Sox tied it in the bottom half, Boston went ahead 3-2 in the third, Tampa Bay went back up 5-3 in the fourth, extended to 6-3 in the seventh, before Boston’s four-run seventh.

The attendance of 33,077 was the second-largest crowd of the season for a Red Sox home game.

Interstat’s game simulator had projected a final score of Boston Red Sox 7, Tampa Bay Rays 5. Interstat’s ELO system had projected Boston with a 55.30 percent probability to win. Tampa Bay had been installed as a pregame favorite with a spread of minus-1.5. The total score of 13 went under the over/under line of 9.5.