The 2025 NASCAR Xfinity Series has been defined by its fierce teammates’ battle at the top between rookie sensation Connor Zilisch and veteran Justin Allgaier. Zilisch, driving for JR Motorsports, has stunned the field with eight wins and 924 points, leading the regular season heading into the playoffs. And Allgaier, his teammate, has kept pace with three victories and 904 points. This makes him one of the few drivers with the experience to challenge for back-to-back championships after winning the title last year. His consistency has given Dale Earnhardt Jr.’s organization its best one-two punch in years. Yet, it has also raised questions about how teammates navigate competition in such a high-stakes environment.
For Allgaier, the stakes are nothing new. The 39-year-old has experienced b