Players gather on the mound around Sea Dogs' reliver Darin Gillies, center, and pitching coach Lance Carter, right, in the sixth inning of Game 1 of their doubleheader against Harrisburg on Friday at Hadlock Field. Gillies gave up three runs in 2/3 innings.

Darin Gillies delivers a pitch in the sixth inning of Game 1 for Portland.

Portland's Pedro Castellanos, right, and catcher Elih Marrero collide as they try to catch a pop fly ball in the sixth inning of Game 1.

Portland’s Pedro Castellanos celebrates with Izzy Wilson after hitting a home run in the first game of a doubleheader against the Harrisburg Senators.

PORTLAND, ME - MAY 20: Harrisburg's Dondrei Hubbard, left, and Mitch Longo celebrate a run during the first game of their double header against the Sea Dogs.

Portland’s Nick Sogard tries to tag out Harrisburg's Mitch Longo at second base.

Harrisburg’s Mitch Longo takes off for second base while Portland's Darin Gillies throws a pitch.

Harrisburg’s Mitch Longo slides safely back into first before Portland's Pedro Castellanos can tag him out.

Harrisburg’s Dondrei Hubbard slides safely into third before Sea Dogs’ Christian Koss can make the tag. Hubbard went on to score one of five runs for Harrisburg in the sixth inning.

PORTLAND, ME - MAY 20: Sea Dogs’ pitcher Victor Santos (58), center, left, talks with Pedro Castellanos (24), center right, on the mound after Harrisburg scored multiple runs in the sixth inning during the first game of their double header on Friday, May 20, 2022. (Staff photo by Brianna Soukup/Staff Photographer)

PORTLAND, ME - MAY 20: Sea Dogs’ pitcher Victor Santos (58) during the first game of their double header on Friday, May 20, 2022. (Staff photo by Brianna Soukup/Staff Photographer)

Sea Dogs’ pitcher Victor Santos (58) throws to first to get a record an out.

Portland’s Christian Koss slides safety into third base while Harrisburg’s Jake Alu fields the throw.

Portland's Christian Koss hits a triple in the second inning.