A Thread of Blue eyes another stakes score in Penn Mile

The Grade II, $500,000 Penn Mile is the highlight of a special 12-race program at Penn National on Saturday. The turf event for three-year-olds lured a field of nine. Post time for the Penn Mile, Race 11 on the card, is estimated for 7:50 p.m. ET. #2 A THREAD OF BLUE (5-2, morning-line favorite) had…