The New York Mets’ 3-1 win over the Seattle Mariners on Saturday was headlined by the debut performance of Nolan McLean. With the team’s pitching in dire straits, the 24-year-old righty delivered 5.1 scoreless innings to set the tone on the mound.

Making his big league debut, McLean shut out the Seattle Mariners over 5 1/3 innings on Saturday afternoon at Citi Field in a 3-1 win, navigating a deep lineup with an array of spinning breaking pitches. It was an impressive outing for the rookie right-hander, but when manager Carlos Mendoza went out to the mound in the sixth, fans booed the move.

Rookie Nolan McLean delivered what the Mets needed in his MLB debut, striking out eight and flashing some clutch leather over 5⅓ scoreless innings in a 3-1 win over the Mariners.