Greenfield’s MacKenzie Paulin signs her National Letter of Intent on Wednesday to play softball at Merrimack College next fall. STAFF PHOTO/THOMAS JOHNSTON

Greenfield’s MacKenzie Paulin with her father Marcus Paulin, mother Jennifer Paulin and brother MJ Paulin after signing her National Letter of Intent on Wednesday to play softball at Merrimack College next fall. STAFF PHOTO/THOMAS JOHNSTON

Greenfield’s MacKenzie Paulin with Greenfield principal Michael Browning (left) and Greenfield athletic director Mike Kuchieski (right) after signing her National Letter of Intent on Wednesday to play softball at Merrimack College next fall. STAFF PHOTO/THOMAS JOHNSTON

Greenfield’s MacKenzie Paulin with former Greenfield softball coach John Hickey after signing her National Letter of Intent on Wednesday to play softball at Merrimack College next fall. STAFF PHOTO/THOMAS JOHNSTON

Greenfield’s MacKenzie Paulin surrounded by her family after signing her National Letter of Intent on Wednesday to play softball at Merrimack College next fall. STAFF PHOTO/THOMAS JOHNSTON

Greenfield’s MacKenzie Paulin with Greenfield superintendent Karin Patenaude after signing her National Letter of Intent on Wednesday to play softball at Merrimack College next fall. STAFF PHOTO/THOMAS JOHNSTON