Casey Schmitt not only has been the Giants’ best hitter this season, but is one of MLB’s breakout stars early on. San Francisco’s super utility player has had the third-largest jump in wRC+ (Weighted Runs Created Plus) from last season to this season through the first 55 games. 2025 vs 2026 wRC+ Risers pic.twitter.com/2OGK4kc5D8 — Thomas Nestico (@TJStats) May 27, 2026 wRC+ is a metric that, according to Fangraphs, “measures a hitter’s total offensive output and compares it to the league average.” The league-average mark for a hitter is 100 wRC+, which means Schmitt has been far above league average this season. To put Schmitt’s number in perspective, the San Francisco hitter with the highest wRC+ last season was Rafael Devers, who posted a 126 mark in just 90 games with the Giants after a June trade from the Boston Red Sox. In 192 plate appearanced this season, Schmitt is batting .298/.339/.567 with a team-leading 12 home runs and 31 RBI. In an otherwise disappointing season so far for the Giants, Schmitt has been the team’s biggest bright spot, and the numbers back it up....