Scouting Report: Konner Piotto
Chicago Cubs | C
Overall
Summary
Konnor Griffin, 20-year-old Pittsburgh Pirates shortstop, made his MLB debut on April 3, 2026, and has quickly emerged as a top Rookie of the Year candidate. After a slow start (.182/.247/.242 in first 19 games), Griffin has dramatically improved since turning 20 on April 24, posting a .410/.477/.692 slash line with a 1.170 OPS over his last 11-13 games. Through 30-36 games, he's slashing .248-.267/.313-.333/.388-.410 with 2-3 home runs, 16-19 RBIs, and 8-9 stolen bases. Griffin signed a record 9-year, $140 million extension on April 8. He leads NL rookies in stolen bases and is trending upward as a potential ROY winner, though currently ranked 4th in expert polls. The Pirates have promoted him to bat 2nd in the lineup, showing confidence in his development.
Strengths
- Exceptional speed and athleticism with 8-9 stolen bases leading NL rookies
- Dramatic improvement post-birthday with .410+ batting average and 1.170 OPS over last 11-13 games
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