Yin and Thitikul form team of ex-No. 1s and share lead in Dow Championship

MIDLAND, Mich. — Ruoning Yin of China and Atthaya Thitikul of Thailand started out on a heater and held it together on their back nine in foursomes Thursday for a 6-under 64, giving them a share of the lead with two other teams after the opening round of the Dow Championship.