Below are some potential notable starts being made by drivers this weekend. Notable meaning they will be tied with a driver in number of starts made in that specific series, or the number of starts being made is a significant number that they are reaching in their specific race this weekend at Phoenix Raceway. Rankings reflect the all-time starts list for that series.
(The image above each series is the driver I find having the most notable start this weekend)

*This will be updated after qualifying for each race if a driver does not make the race.

This weekend Matt Crafton makes his last career full-time Truck Series start, number 591, which ranks 1st all-time by a good country mile. Image credit: @ThorSportRacing X Page

Truck Series Starts

Matt Crafton: 591st and last full-time start! Ranks 1st by 232 starts

Bayley Currey: 83rd start ties Greg Biffle, ranks 70th

Daniel Hemric, Jake Garcia & Rajah Caruth: 75th start! Ranks 86th

Dawson Sutton: 32nd start ties Kenny Irwin Jr., ranks 212th

Toni Breidinger: 29th start ties Austin Cindric & Chase Briscoe, ranks 228th

Stefan Parsons: 28th start ties Daniel Suarez & Kurt Busch, ranks 240th

Frankie Muniz & Giovanni Ruggiero: 25th start! Ties Jamie McMurray & Mark Martin, ranks 269th

Nathan Byrd: 18th start ties Chase Elliott, ranks 318th

Brent Crews: 10th start! Ranks 418th

Tyler Reif: 1st start!

This weekend Ryan Sieg will be making his 400th career Xfinity Series start in this 41 car while filling in for the suspended Sam Mayer. Photo by Chris Graythen — Getty Images

Xfinity Series Starts

Ryan Sieg: 400th start! Ranks 11th

Jeb Burton: 208th start ties Regan Smith, ranks 66th

Brennan Poole: 190th start ties Jamie McMurray, ranks 76th

Ryan Ellis: 164th start ties Denny Hamlin, ranks 98th

Sheldon Creed: 136th start ties Dale Earnhardt, ranks 123rd

Josh Bilicki: 127th start ties Matt DiBenedetto, ranks 139th

Blaine Perkins, Harrison Burton & Sammy Smith: 108th start ties Justin Haley, ranks 165th

Parker Retzlaff: 107th start ties Casey Mears & David Ragan, ranks 170th

Stefan Parsons: 70th start ties Ryan Blaney, ranks 232nd

Jesse Love: 66th start ties Ty Gibbs, ranks 242nd

Carson Kvapil: 42nd start ties Rusty Wallace & Travis Pastrana, ranks 314th

Connor Zilisch: 36th start ties Shane Van Gisbergen, ranks 339th

Nick Leitz: 20th start ties Donnie Allison, ranks 437th

Justin Bonsignore: 10th start! Ranks 581st

This weekend Kyle Busch makes milestone start number 750 in the Cup Series. Photo by Meg Oliphant — Getty Images

Cup Series Starts

Kyle Busch: 750th start! Ranks 14th

J.J. Yeley: 396th start ties Robby Gordon, ranks 73rd

Erik Jones: 325th start! Ranks 94th

Daniel Suarez: 323rd start ties Brian Vickers, ranks 95th

Christopher Bell: 142nd start ties Marvin Panch, ranks 142nd

Todd Gilliland: 144th start ties Timmy Hill, ranks 190th

Shane Van Gisbergen: 50th start!