The Chiefs are beating themselves as much as the Buccaneers are beating them as Tampa Bay leads 21-6 at halftime in the Super Bowl.

Bashaud Breeland’s defensive holding penalty was the first big mistake. It helped the Buccaneers march downfield on a 75-yard drive that Tom Brady finished with a touchdown pass to old Patriots teammate Rob Gronkowski.

Two series later, the Chiefs had an interception by Tyrann Mathieu wiped out by Chavarius Ward’s holding penalty. When they held the Buccaneers to a field goal, Antonio Hamilton and Mecole Hardman were lined up offsides, giving Tampa Bay a fresh set of down. Brady again finished the drive with a TD pass to Gronkowski.

Finally, Breeland put an exclamation mark on his dreadful half when got called for pass interference on Mike Evans, who had beaten him deep in the final minute.

When Mathieu got called for interfering with Evans in the end zone, Brady hit Antonio Brown on the next play with 6 seconds left to give Tampa Bay a 21-6 lead at halftime.