The New York Mets are calling up the No. 1 prospect in all of baseball ahead of their postseason run. Francisco Alvarez will look to provide a spark for the team during their three-game series against the Atlanta Braves. The series against the Braves will likely decide who clinches the National League East.With the call-up, Alvarez will be eligible for the postseason roster, with the Mets having multiple people in the IL. The Mets are hopeful that the prospect can have an immediate impact at the Major League level.FOX Sports: MLB@MLBONFOXThe New York Mets are calling up MLB's No.1 overall prospect Francisco Álvarez, via multiple reports.5489632The New York Mets are calling up MLB's No.1 overall prospect Francisco Álvarez, via multiple reports. https://t.co/zB7aupvZpiAlvarez being called up has Mets fans hopeful for the playoffs. They believe Alvarez is the key piece they need to take them to the World Series."This post season about to be a good one" one New York fan claimed.Sazo5@Sazo005This post season about to be a good one #LGM twitter.com/MLBONFOX/statu…FOX Sports: MLB@MLBONFOXThe New York Mets are calling up MLB's No.1 overall prospect Francisco Álvarez, via multiple reports.5493632The New York Mets are calling up MLB's No.1 overall prospect Francisco Álvarez, via multiple reports. https://t.co/zB7aupvZpiThis post season about to be a good one 🔥 #LGM twitter.com/MLBONFOX/statu…"This team is all in not settling LFG" another fan cheered.Tylor Megill’s biggest fan (and Julie)@BigDrip38@MLBONFOX This team is all in not settling LFG4@MLBONFOX This team is all in not settling LFGThe move to call up Alvarez for the Braves series is a good one. This allows Alvarez to play in a playoff-like atmosphere so he is prepared when they reach the postseason. Fans couldn't be happier with the addition of the slugging prospect.Julz@Abov3Rizingwoke up to amazing news twitter.com/MLBONFOX/statu…FOX Sports: MLB@MLBONFOXThe New York Mets are calling up MLB's No.1 overall prospect Francisco Álvarez, via multiple reports.5501632The New York Mets are calling up MLB's No.1 overall prospect Francisco Álvarez, via multiple reports. https://t.co/zB7aupvZpiwoke up to amazing news twitter.com/MLBONFOX/statu…kap@hopefulmetsfan@MLBONFOX Hope he hits a homerun to clinch the division35@MLBONFOX Hope he hits a homerun to clinch the divisionMidnight Gamblers@MG_Locks@MLBONFOX Great move. Ruf can’t hit anything right now.7@MLBONFOX Great move. Ruf can’t hit anything right now.Some fans believe that Alvarez could take the place of Darin Ruf, who has been implemented as a designated hitter by the Mets. Ruf has been struggling at the plate this year, hitting .216. Fans want to see Ruf on the bench.Activated Alex@ElGreengo92@MLBONFOX Should've been called up a month or 2 ago@MLBONFOX Should've been called up a month or 2 agoEJ Norman@theRealEJNorman@MLBONFOX Why now? Why not a month or two ago?2@MLBONFOX Why now? Why not a month or two ago?Fans are questioning why the call for Alvarez was made so late in the year. Given how much Ruf has struggled at the plate, fans think his services could have been used earlier in the season.The Bat Cave OOTBS@TheBatCaveOOTBSHuge spot! Let's see what the kid can do. @OOTBOXSPORTS #LGM @Mets @SyracuseMets twitter.com/MLBONFOX/statu…FOX Sports: MLB@MLBONFOXThe New York Mets are calling up MLB's No.1 overall prospect Francisco Álvarez, via multiple reports.5516634The New York Mets are calling up MLB's No.1 overall prospect Francisco Álvarez, via multiple reports. https://t.co/zB7aupvZpiHuge spot! Let's see what the kid can do. @OOTBOXSPORTS #LGM @Mets @SyracuseMets twitter.com/MLBONFOX/statu…No matter how late he was called up, Mets fans are excited to see how he stacks up against other MLB talent. Fans will see the prospect in action on Friday night as he is set to be the designated hitter for the seventh spot.SNY Mets@SNY_MetsFrancisco Álvarez's MLB debut.Jacob deGrom on the mound.Biggest series of the year.Let's go. #LGM1610188Francisco Álvarez's MLB debut.Jacob deGrom on the mound.Biggest series of the year.Let's go. #LGM https://t.co/zZV4vcQCgONew York Mets have high hopes for the postseasonMiami Marlins vs. New York Mets.The New York Mets are a serious contender coming into the postseason. Their two starting pitchers in Jacob DeGrom and Max Scherzer are arguably the best starting duo in the league. It will be tough for any team to beat the Mets in a postseason series. Starting pitching could carry this Mets team deep into the playoffs.