The Cal alums help the heavily favored Americans forge a 4-1 lead at Quail Hollow. Cal alums Collin Morikawa and Max Homa, playing at the Presidents Cup for the first time, helped the U.S. team to a sturdy 4-1 lead after Thursday’s first round at Quail Hollow in Charlotte, NC. Morikawa, teamed with PGA Rookie of the Year Cameron Young, claimed a 2 and 1 victory over the international duo of K.H. Lee and Tom Kim in foursome competition. Homa was paired with Tony Finau, and they beat Tony Pendrith and Mito Pereira 1 up. U.S. team captain Davis Love…