In Presidents Cup, No. 1 vs. No. 2 Would Add Drama

Photo Top-ranked Jordan Spieth, who won two majors this season, practicing his putting Tuesday for the Presidents Cup. Credit Kim Hong-Ji/Reuters Americans and Internationals mixing it up in the Presidents Cup has been a bad recipe for suspense.

The Americans have lost only once in the 10 editions of golf’s other biennial team event. The major tension in team play has usually been reserved for the Ryder Cup, which pits Americans against Europeans.

But this edition of the Presidents Cup, which begins Thursday in Incheon, South Korea, could provide at least one matchup full of sizzle and uncertainty: a duel between the top players of the moment, No. 1 Jordan Spieth of the United States and No.…