In a film session between Games 4 and 5 of their Eastern Conference semifinal series, as the Celtics prepared for their first game against the New York Knicks without Jayson Tatum, veterans Jaylen Brown and Al Horford challenged the remaining members of the team to rally for their injured superstar.

Jayson Tatum made his first statement on Wednesday after suffering a devastating injury during the Boston Celtics' series against the New York Knicks.

Forty-eight hours after losing their centerpiece superstar to a potentially career-altering Achilles injury, the Celtics delivered an emphatic message to the New York Knicks: Even without Jayson Tatum,