The start of Cal’s 2026 football season is still four months away, but it’s not too early to predict which of the Bears’ 12 regular-season games will be the most pivotal – the one key game that could make or break the Bears’ first season under Tosh Lupoi. On Saturday, CBS Sports picked the key 2026 game for each of the teams in its early top-25 rankings, and it cited Clemson’s game against Cal as being the Tigers’ key contest, with this assessment: Speaking of travel, the Tigers will make the 2,596-mile trip to Berkeley in Week 4. Clemson will have its hands full against sophomore quarterback Jaron-Keawe Sagapolutele, who lit up the ACC for 3,454 yards as a true freshman. Overall, last season, the Tigers' defense was pretty good, but it gave up big numbers against better offenses. If Dabo Swinney and his squad slip up against the Golden Bears, they'll be limping into a matchup against Miami. You could make the case that the Clemson game will also be the key 2026 game for Cal.…