Jack Johnson

Joined: Sep 29, 2025

Jack Johnson covers the San Francisco Giants for OnSI. A Bay Area native and graduate of Arizona State University’s Walter Cronkite School of Journalism, Jack combines his background in writing, reporting, and live broadcasting to deliver comprehensive coverage of Giants baseball. In addition to his work with OnSI, Jack serves as the Play-by-Play Broadcaster and Media Relations Manager for the Columbus Clingstones (Double-A, Atlanta Braves) and has called games across MiLB.TV, ESPN+, and the Arizona Fall League. He specializes in storytelling, player features, and game analysis designed to connect fans with the team on and off the field.

San Francisco Giants News

The Giants made no additions to their 40-man roster ahead of the Rule 5 Draft.

San Francisco Giants News

Giants manager Tony Vitello continues to shape his first coaching staff with the addition of pitching coach Jeff Meccage.

San Francisco Giants News

San Francisco Giants infielder Parks Harber during the Arizona Fall League Fall Stars Game at Sloan Park.

San Francisco Giants News

A fast riser who debuted in 2023 — can Wade Meckler make it back to the Majors?

An on-base machine who remains a Top 30 prospect, Meckler forces a bigger question: where does he fit in the Giants’ future?

General view of a San Francisco Giants cap and glove during the ninth inning against the Colorado Rockies at Coors Field.

A plus runner with a decorated college track record on the bases, Maldonado represents the kind of speed the Giants have lacked at the Major League level.

A look at why San Francisco can’t afford to miss on Tatsuya Imai, the next star pitcher expected to come out of Japan.

The Giants have been named as a 'potential suitor' for NPB Seibu Lions star Tatsuya Imai

The Giants will have just one player in the spotlight this weekend — Parks Harber, named to both the Home Run Derby and Fall Stars Game.

San Francisco Giants News

Harber will appear in the Fall Stars Game and compete in the AFL Home Run Derby after a breakout performance in Scottsdale.

Ryan Murphy has reemerged as a Giants prospect to watch after winning Arizona Fall League Pitcher of the Week.

After injuries pushed him off the radar, the former Top 30 prospect is healthy again — and just earned Arizona Fall League Pitcher of the Week.

In Arizona, the uniforms are the same — but the names are the future. Giants fundamentals coach Nate Keavy is helping shape the next wave.

Giants AFL coach Nate Keavy on the growth of Walker Martin, Maui Ahuna, and Parks Harber — and his early read on Tony Vitello.

Logan Webb (right) and Patrick Bailey (left) became the first pitcher-catcher battery to receive respective Gold Glove honors in the same season since 2013.

The Giants’ ace and star catcher just achieved something MLB hasn’t seen since 2013.

Tony Vitello answers questions from the media as he is introduced as the new manager of the San Francisco Giants at Oracle Park.

San Francisco Giants News

From his respect for Giants history to adjusting to a Major League schedule and clubhouse chemistry, Vitello’s first remarks offered insight into the foundation of his managerial vision.

Tony Vitello becomes the first college head coach to leap straight into an MLB managerial role with the Giants.

San Francisco Giants News

Unprecedented move tabs former national championship coach as the 40th manager of the San Francisco Giants.

Tennessee head coach Tony Vitello during a college baseball game between Tennessee and Vanderbilt at Lindsey Nelson Stadium in Knoxville, Tenn.

San Francisco Giants News

The latest on what could become one of the boldest managerial hires in recent MLB history.

As a player, Buster Posey brought championships to 3rd & King. As an executive, he is now tasked with finding a manager who can return the Giants to prominence.

San Francisco Giants News

When Buster Posey assumed the role of President of Baseball Operations for the San Francisco Giants in October 2024, he returned to the franchise as a decorated

Jack Johnson

Joined: Sep 29, 2025

Rising in the East: As The Diamond Era Ends, the Giants Still Remain on Their Original Coast

Giants Leave Three Former First-Round Picks Unprotected, Highlighting Recent Draft Woes

Giants Set to Hire Jeff Meccage as Tony Vitello Lands His First Pitching Coach

A Look at How Giants Prospects Performed in the Arizona Fall League

Before the Bay: Giants' No. 29 Prospect Wade Meckler

Before the Bay: Giants' No. 30 Prospect Cam Maldonado

The Giants Can’t Afford to Miss on This Japanese Ace

San Francisco Giants News

Rising Giants Prospect Parks Harber Set for Big AFL Fall Stars Weekend

Giants Prospect Ryan Murphy Reemerges with Coveted Fall League Honor

"A Cool New Chapter in San Francisco": Giants Fall League Coach on Tony Vitello and the Next Wave of Hitters

The Historic Significance of Logan Webb and Patrick Bailey’s Gold Glove Awards

San Francisco Giants News

Five Things We Learned from Tony Vitello's First Press Conference with the Giants

Giants Hire Tennessee's Tony Vitello as Next Manager

San Francisco Giants Closing in on Tennessee’s Tony Vitello as Next Manager

The Next Giants Manager: Ranking Nine Potential Candidates