SAN FRANCISCO The hot bats that were cooled a day earlier in Los Angeles didnt get much warmer at blustery Oracle Park on Monday. Pete Alonsos fifth-inning home run brought hope for the Mets and there was a brief ninth-inning rally, but that was about all the team could celebrate in a 5-2 lo s to the Giants. Keaton Winn was the villain on this night, pitching six innings and allowing one run, a day after Tyler Glasnow fired eight shutout innings against the Mets at Dodger Stadium. The Mets managed only four hits against Winn and the Giants bullpen. We had some real good at-bats and I know a couple of times we didnt get rewarded for some hard-hit balls, Alonso said. The Mets scored once in the ninth on a wild pitch by Giants closer Camilo Doval and brought the tying run to the plate with two outs, but Stewart was retired to end the game. Mets pitcher Jose Quintana walks to the dugout after being relieved during the sixth inning. AP Pete Alonso #20 of the New York Mets hits a solo home run against the San Francisco Giants in the top of the fifth inning. Getty Images Thats what its about: fighting hard until the end and we got [Doval] to work really hard and were going to take that momentum into tomorrow, Alonso said. The lo s was the Mets second straight, marking their first losing streak since their 0-5 start. They are 2-2 on this West Coast trip. Jose Quintana turned in a second straight underwhelming performance by a Mets starting pitcher by allowing five earned runs over five plus innings. Explore More A Corbin Carroll Jersey day earlier Adrian Houser surrendered eight earned runs over four innings in a lo s to the Dodgers. On this night Quintana walked three batters, continuing a trend of Mets starting pitchers i suing free pa ses. This is something that Hef has been talking to a lot of them, manager Carlos Mendoza said before the game, referring to pitching coach Jeremy Hefner. We have got to continue to stay on the attack and finish at-bats. Theres been a lot of situations where we get 0-2 and before you know it its 3-2. We have got to do a better job of finishing at-bats and inducing contact early in counts. Jose Quintana #62 of the New York Mets pitches against the San Francisco Giants in the bottom of the first inning at Oracle Park. Getty Images Nick Ahmeds two-run single in the second gave the Giants a 2-0 lead. The inning started with Jeff McNeil literally booting Jorge Solers grounder the Mets second baseman kicked the ball (it was ruled a hit) before Michael Conforto singled and Thairo Estrada walked to load the bases. Ahmed followed with an infield single off diving Francisco Lindors glove that brought in two runs. Quintana needed 32 pitches in the inning. Matt Chapmans two-run double in the third buried the Mets in a 4-0 hole. Wilmer Flores walked leading off the inning and Jung Hoo Lee singled before Chapman hit a shot toward the left-field line that Brandon Nimmo misplayed, allowing the second run to score. Harrison Bader (44) fields a fly ball avoiding a collision with New York Mets shortstop Francisco Lindor (12) against the San Francisco Giants during the fifth inning. Neville E. Guard-USA TODAY Sports [Quintana] was having a hard time locating the fastball, getting ahead of hitters, Mendoza said. He got behind in counts, a lot of three-ball counts. There was a lot of soft contact but overall I think hes got to get back to finding the fastball and getting ahead of hitters. This is a guy who has had a pretty good career commanding the fastball and moving the ball around and I feel like hes nibbling a little too much now. Hes got to be more aggre sive and hell be fine. Alonso snapped a homerle s drought that had reached 28 at-bats with a shot that cleared the left-field fence leading off the fifth. It was homer No. 199 in Alonsos career and his team-leading seventh this season. Starling Marte #6 of the New York Mets reacts after striking out against the San Francisco Giants in the top of the fourth inning at Oracle Park. Getty Images Alonso had singled leading off the second inning, but got erased with Brett Batys double-play grounder. The Mets only other hit through five innings was Starling Martes bunt single in the first, on which he got thrown out trying to reach second on Winns errant throw. Quintana was allowed to stay in the game to begin the sixth and surrendered a homer to Conforto on the first pitch that gave the Giants a 5-1 lead. Quintana was immediately removed after Confortos blast. The Mets wasted a chance in the seventh when Alonso, Baty and Stewart were retired in succe sion after Martes leadoff single and Lindors walk. The runners got as far as second and third on a wild pitch by reliever Ryan Walker before Stewart grounded out. Jake Mccarthy Jersey