Jacobson attended the University of California – Davis and signed with the Schaumburg Boomers of the Frontier League, where he played with former Cyclones Center-fielder Tillman Pugh.
Jacobson started 10 games for Schaumburg, going 3-3 with an ERA of 2.77. He gave up 22 runs (20 earned) in 65 innings pitched, striking out 52.
His contract with Schaumburg was purchased a little over a week ago by the Mets. He appeared as a reliever for the GCL Mets, throwing 4.2 innings in 2 appearances, giving up 7 hits, 3 runs (1 earned) and striking out 4.
He will not start in place of the injured Andrew Church. He will most likely wear #10.