Richard Gaffin, Jr.: Promoter of Faith Plus Works

For anyone willing to investigate, you can listen to Dr. Richard Gaffin, Jr.'s lectures on union with Christ for free at Monergism.com.
Dr. Gaffin is a proponent of the Federal Vision within the Orthodox
Presbyterian Church and openly denies that sanctification is the logical
result of justification. Instead, Dr. Gaffin says that justification
and sanctification are united together