Jon Heyman is a senior writer for Sports Illustrated. Heyman writes a baseball notes column called The Daily Scoop for SI.com, which appears most weekdays during the baseball season and twice a week during the offseason. He also reports on the news of baseball year-round for SI.com and also contributes to the magazine. He frequently authors the "Inside Baseball" column in SI.

Heyman is a baseball insider at MLB Network, which launched Jan. 1. He also has worked for WFAN in New York since November 2007 as a contributor, and appears on the new Francesa on the Fan (with Mike Francesa) twice a week, Tuesdays and Thursdays at 4:05 p.m., after previously appearing regularly on the highly acclaimed Mike and the Mad Dod Show with Francesa and Christopher Russo. Before going to WFAN, he was a regular contributor to ESPN-1050 radio in New York and appeared Tuesdays on The Michael Kay Show on that station since 2002. Heyman is the baseball insider for SNY-TV in New York, as well. Additionally, he is sometimes seen as a Forum panelist on Jim Rome is Burning, the acclaimed TV sports show starring Jim Rome, and has appeared on numerous radio and TV shows.

Heyman came to Sports Illustrated in July 2006 after 16 years at Newsday, where he served as Yankees beat writer, baseball columnist and general sports columnist. Heyman, who developed a reputation for breaking major baseball stories while at Newsday, broke the story of Barry Bonds going to the Giants in 1992 (with Tom Verducci, who's been at SI since '93), Alex Rodriguez going to the Yankees in 2004, A-Rod opting out of his $252-million contract in 2007 and Manny Ramirez going to the Dodgers in 2008, among numerous other stories. Heyman was a baseball columnist for The Sporting News in 1999 and 2000.

Heyman, who was born in Santa Fe, N.M., and grew up in Cedarhurst, N.Y., on Long Island, is a 1983 graduate of Northwestern's Medill School of Journalism.