Jayson Tatum, Celtics agree to five-year, $195 million rookie max extension, per report | CBS Sports Headlines Jayson Tatum, Celtics agree to five-year, $195 million rookie max extension, per report Tatum is coming off a fantastic postseason in which he averaged 25.7 points, 10 rebounds and 5 assists per game … Continue reading Jayson Tatum, Celtics agree to five-year, $195 million rookie max extension, per report