![\"Marcelo](\"https:\/\/www.rawchili.com\/mlb\/wp-content\/uploads\/2026\/08\/1786682174_155_boston-red-sox-v-seattle-mariners-seattle-washington-june-20-marcelo-e1786641906693.jpg\")
\t\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n
\t\t\t\t\t\t\t\tGetty\t\t\t\t\t\t\t<\/p>\n
New San Francisco Giants shortstop Marcelo Mayer could get a shot with Willy Adames ailing.<\/p>\n
The San Francisco Giants<\/a> had an off day on Thursday after losing two out of three games to the Houston Astros.<\/p>\n Meanwhile, the Giants\u2019 Triple-A affiliate, the Sacramento River Cats, played the Las Vegas Aviators on Thursday night.<\/p>\n It was the first game of Marcelo Mayer\u2019s rehab assignment. It did not take long for the former top prospect to introduce himself to the Giants.<\/p>\n Marcelo Mayer\u2019s Performance in Giants Minor League Debut<\/p>\n The former fourth overall pick was acquired by the Giants at this year\u2019s MLB<\/a> trade deadline. San Francisco sent left-handed reliever Erik Miller and minor leaguer Carlos Gutierrez to the Boston Red Sox<\/a>.<\/p>\n The Giants sent Mayer to Triple-A for a rehab assignment before he joins the big league club. The infielder is returning from a left ulna (forearm) stress reaction injury that he suffered in late June.\u00a0He last played for the Boston Red Sox on Jun. 25.<\/p>\n Mayer was the starting second baseman and leadoff hitter in his first game with the Rivercats.<\/p>\n The 23-year-old hit a solo home run in his second at-bat with the Giants\u2019 organization.<\/p>\n MARCELO MAYER GOES YARD \u203c\ufe0f<\/p>\n Mayer sends one dead center to give us the lead! <\/p>\n Mayer finished 1-for-2 with a walk in his organizational debut. The once-top prospect showcased his upside and could be a compelling part of the San Francisco Giants\u2019 future.<\/p>\n GettyBOSTON, MASSACHUSETTS \u2013 JUNE 16: Marcelo Mayer #11 of the Boston Red Sox throws the ball to first for an out in the first inning against the Toronto Blue Jays<\/a> at Fenway Park on June 16, 2026 in Boston, Massachusetts. (Photo by Jaiden Tripi\/Getty Images)<\/p>\n Marcelo Mayer Could Join the Giants\u2019 Lineup Soon<\/p>\n It is already a good sign that Mayer is starting and playing well in his first rehab game.<\/p>\n \u201cMarcelo Mayer is playing second base for the River Cats tonight. Giants don\u2019t think he\u2019ll need many rehab games before he\u2019s in big league lineup,\u201d according to Alex Pavlovic of NBC Sports Bay Area.<\/a><\/p>\n Marcelo Mayer is playing second base for the River Cats tonight. Giants don\u2019t think he\u2019ll need many rehab games before he\u2019s in big league lineup.<\/p>\n After veteran shortstop Willy Adames left Wednesday\u2019s game against the Astros, the Giants need middle infield help. San Francisco also traded Luis Arraez during the deadline, leaving second base open.<\/p>\n Mayer has experience at shortstop at the big league level. He played 24 games at the position with the Red Sox earlier this season. He also played 45 games at second base for Boston this year.<\/p>\n GettyAfter the Boston Red Sox traded Marcelo Mayer to the San Francisco Giants, he\u2019s ready for a fresh start with a new team.<\/p>\n Social Media Reactions To Marcelo Mayer\u2019s Home Run<\/p>\n Giants fans took to social media to share their reactions to Mayer\u2019s home run:<\/p>\n Even Year Dynasty Show:<\/a> \u201cWelcome to the Giants org Marcelo Mayer! He homers in his 2nd rehab AB!\u201d<\/p>\n Coast to Coast Baseball:<\/a> \u201cMarcelo Mayer with an absolute laser beam of a HR to CF in his first rehab game Cannot wait to watch him in San Francisco, that swing is pretty man.\u201d<\/p>\n @GiantsCursed:<\/a> \u201cWhatever, being me Marcelo Mayer, what\u2019s the worst that can happen? He wins the vacant 2B job?\u201d<\/p>\n Marcelo is King:<\/a> \u201cFuture MVP Marcelo Mayer hits his first homerun for the SF organization.\u201d<\/p>\n \n\t\t\tKyle Har<\/a> is a sports reporter focused on the MLB and NFL, covering the San Francisco Giants and San Francisco 49ers for Heavy.com. He has four years of experience as a sports radio producer at KNBR in San Francisco and works as a co-host for their Warriors postgame show, “Dubs OT,” and weekly Warriors talk show “Just Dubs.” More about Kyle Har<\/a>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"Getty New San Francisco Giants shortstop Marcelo Mayer could get a shot with Willy Adames ailing. The San…\n","protected":false},"author":2,"featured_media":777845,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2408],"tags":[5,162,4,378,66,4343,4340,4344,4341,4342],"class_list":["post-778222","post","type-post","status-publish","format-standard","has-post-thumbnail","category-san-francisco-giants","tag-baseball","tag-giants","tag-mlb","tag-san-francisco","tag-san-francisco-giants","tag-sanfrancisco","tag-sanfranciscogiants","tag-sf","tag-sf-giants","tag-sfgiants"],"share_on_mastodon":{"url":"https:\/\/channels.im\/@mlb\/117092010476502375","error":""},"_links":{"self":[{"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/posts\/778222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/comments?post=778222"}],"version-history":[{"count":0,"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/posts\/778222\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/media\/777845"}],"wp:attachment":[{"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/media?parent=778222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/categories?post=778222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rawchili.com\/mlb\/wp-json\/wp\/v2\/tags?post=778222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"Toronto](\"https:\/\/www.rawchili.com\/mlb\/wp-content\/uploads\/2026\/08\/1786682176_753_toronto-blue-jays-v-boston-red-sox-boston-massachusetts-june-16-1.jpg\")
<\/p>\n![\"Marcelo](\"https:\/\/www.rawchili.com\/mlb\/wp-content\/uploads\/2026\/08\/1786682177_527_GettyImages-2278511573.jpg\")
<\/p>\n