Richard Alan Mills (January 29, 1945 – March 28, 2015) was an American right-handed pitcher in Major League Baseball.

He made his Major League debut for Boston in 1970, coming into the sixth inning in relief of Chuck Hartenstein to finish an 8–2 blowout loss to the Cleveland Indians.

[2] His only other Major League appearance came in relief in another blowout, pitching two-thirds of an inning in an eventual 13–2 loss to the Baltimore Orioles.

[3] Mills is the father of Ryan Mills, who pitched for seven seasons in the Minnesota Twins minor league system.

On that website, he noted that the injury-plagued Mark Prior had scapular loading in his pitching mechanics.