Zach Lutz’s transition to outfielder became more official Thursday with outfield coach Tom Goodwin now at the Mets’ spring-training complex.

Goodwin had Lutz doing drills with the outfield group throughout the voluntary workout. Lutz had bought an outfield glove a few weeks ago and done some preliminary work outdoors at Alvernia (Pa.) University, where his father is the baseball coach.

“He wasn’t sore today, so that kind of hurt my feelings,” Goodwin joked.

Lutz is known for his bat, not his glove. But he exclusively has been an infielder as an amateur and professional. He is a willing pupil, though, especially if it will get him on the Opening Day roster.

The Mets seem to have a tradition of converting infielders to the outfield. Lucas Duda is a natural first baseman. Jordany Valdespin, Nick Evans and Daniel Murphy are among the other recent examples who attempted to make conversions from the infield -- not all with sparkling results.

Lutz, 26, made his major league debut last April 24. He went 1-for-11 over seven games with the Mets. He hit .299 with 10 homers and 35 RBIs and had a gaudy .410 on-base percentage in 294 plate appearances with Triple-A Buffalo last season.