Among San Francisco's starting offensive linemen, Burford ranked last in several key Pro Football Focus metrics, including offensive grade (58.9), run-blocking grade (62.6), and pass-blocking grade (48.5).
In Renner's projection, the 49ers select Penn State offensive lineman Olaivavega Ioane with the No. 26 overall pick.
"Spencer Burford has been a pain point in pass protection at left guard ever since he entered the starting lineup in 2022," Renner explained. "With the emergence of the Rams' and Seahawks' defensive interiors, that's a big problem going forward. Olaivavega Ioane would be a massive upgrade in that regard."
Ioane (6-4, 323) posted strong grades from Pro Football Focus during the 2025 season, including a 79.4 overall offensive grade, a 77.9 run-blocking grade, and an 87.3 pass-blocking grade. He allowed just four total pressures and zero sacks across 310 pass-blocking snaps, with his last allowed sack coming in 2023.
Renner believes Ioane could provide long-term stability at left guard and significantly improve protection for franchise quarterback Brock Purdy as the 49ers look ahead to the future.
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