Free-agent right-handed starter Michael Wacha agreed to sign with the Padres, pending a physical, major-league sources told The Athletic on Tuesday. Here’s what you need to know:

Wacha, who is entering his age-31 season, produced a 3.32 ERA in 127 1/3 innings last season for the Red Sox.

He had a combined 5.11 ERA in the three previous seasons pitching for the Cardinals, Mets and Rays.

Wacha spent the first seven years of his MLB career in St. Louis after the team selected him at No. 19 in the 2012 MLB Draft. He was named the National League Championship Series MVP in 2013.