[3][5] After high school he attended Harvard University, earning a degree in environmental science and public policy.

[1] Prior to joining MLB Network, Morosi was a columnist and national baseball writer for FOXSports.com, beginning in 2009.

He was hired in part due to incumbent FOX Sports baseball writer Ken Rosenthal's recommendation, whom he met four years earlier at the 2005 MLB general managers' meeting.

MLB Network, the exclusive rights-holder to the WBC, devoted segments in 2017 to what it termed "J.P. Morosi's International Pastime.

This speculation coincided with a post on “X” (formerly Twitter) that went viral earlier in the day of a private jet taking off from Santa Ana, destined for Toronto Pearson International Airport.