abstract:In baseball, to tag up is for a baserunner to retouch or remain on their starting base (the time-of-pitch base) until (after) the ball either lands in fair territory or is first touched by a fielder. By rule, baserunners must tag up when a fly ball is caught in flight by a fielder.
Asked about plans for acquisitions, Pfizer said its focus is on "bolt-on" deals, meaning purchases of companies with complementary businesses or products, with a price tag of up to several billion dollars.