Now that Steve Kerr is returning as coach, the focus of the Warriors’ offseason now shifts to the state of their aging roster.Kerr and general manager Mike Dunleavy already have admitted Golden State must get younger entering next season, after their previous campaign was marred by inconsistent player availability.However, the Warriors also have shown interest in bringing back several veterans, including Kristaps Porziis and Al Horford, who will be 31 and 40 years old, respectively, by the start of the 2026-27 NBA season. Both Kerr and Dunleavy were asked Friday about what’s ahead for both big men. “Yeah, those are guys that we definitely would love to have back,” Dunleavy told reporters. “They had some really good performances for this year with us. They add an element to our team that we haven’t had in the past. Al specifically with his size, his shooting, his leadership. KP is just a unique, unique player on both ends of the court. I think for us to have that talent back is something we want.“And so those guys — you know, Al has an option. I think frankly his option is two-fold: One, do you want to keep playing? Two, do you want...