SANTA CLARA, Calif. — “I’ve hated him for so long.”That’s what San Francisco 49ers defensive coordinator Raheem Morris had to say Saturday when asked about the team’s newest receiver, Deebo Samuel, who hit the ground running by going through a full practice on his first day back.Morris had reason to resent the wideout. Samuel was the Los Angeles Rams’ biggest scourge from 2021 to 2023 when Morris served as the team’s defensive coordinator. In three encounters during the 2021 regular season and playoffs, Samuel racked up 372 combined yards and four touchdowns.Every time Morris turned on the TV the following offseason, there was Samuel.“I couldn’t watch ESPN for an entire summer because I kept watching Deebo score a 60-yard touchdown,” he said with a smile.These 49ers players are off to a slow start at training campMatt Barrows and Vic TafurThe question now is whether the 49ers are getting the old Deebo or just an old version.General manager John Lynch said the team had been hoping to bring in Samuel, 30, for the last month with the idea that he would join a rotation that included Mike Evans, Ricky Pearsall and others. Samuel, however, went through his first 49ers practice on the same day the team put Pearsall on season-ending injured reserve. He’ll have surgery later this month and his rehabilitation, Lynch said, could last from six to 12 months.“He’s gutted, we’re gutted,” Lynch said Saturday of Pearsall. “(He’s) a really good football player, really an important member of our team, an impactful player. … He did well throughout the offseason. He got to the point where he ramped it up to the last gear right before camp, and then he came into camp and the rigors of camp — competition and whatnot — (made the knee swell) up right away.”“It’s unfortunate,” Lynch continued. “The good news is the rest of Ricky’s knee is in great shape.”The 2021 season in which Samuel tormented Morris and the Rams, meanwhile, might be considered “peak Deebo.”He finished the regular season with 14 touchdowns and 1,770 combined yards, 27 percent of the 49ers’ total. His combined yardage ranked third in the NFL that year, and he led the league with 18.2 yards per reception.