Diego Segui, the pitcher who appeared in the Seattle Pilots’ first major-league game in 1969 and threw the first pitch of the Mariners’ first game in 1977, died Tuesday at the age of 87.

Unfortunately, the Mariners did not fare so well on Sunday. Seattle took a 3-0 lead in the fourth inning, but a pitching collapse ultimately resulted in an eventual 11-3 blowout loss to the hated ...