The Dolphins added Hall of Fame bloodlines to their roster Thursday, signing safety David Lofton and receiver Michael Malone as undrafted free agents. Lofton's father is James Lofton, an NFL receiver from 1978-93 who was inducted into the Pro Football Hall of Fame in 2003. Malone's father is Moses Malone, who played pro basketball from 1974-95 and was inducted into the Basketball Hall of Fame in 2001.