It was a two-horse race the entire way and Mark Few and the Gonzaga basketball program edged out Rick Pitino and St. John’s for the services of Arizona State transfer Massamba Diop . The 7-foot-1 highly coveted center announced his decision on Tuesday night, days after returning from an official visit with the Red Storm in New York City. Each program was looking for a replacement for its superstar center after the Bulldogs saw the eligibility dry up of Graham Ike this season and Johnnie anchor Zuby Ejiofor also exhausted his years in college basketball. Massamba Diop was considered one of the four best centers to enter the portal this spring alongside Kansas’ Flory Bidunga, Cincinnati’s Moustapha Thiam, and Seton Hall’s Najai Hines – players that were all connected to St. John’s despite not landing any of them. Bidunga and Hines committed on their first official visit of the offseason to Louisville and UConn, respectively, while Thiam took a handful of visits before landing with Michigan.…