Fortunately, few know exactly what Celtics superstar Jayson Tatum is going through after rupturing his Achilles tendon in Game 4 of the East semifinals against the Knicks. One member of the Red Sox does.

While the injury shouldn't derail Tatum's career, it does give the Celtics a major obstacle to overcome. Boston has been to the conference finals five times and has had a pair of NBA Finals appearances—including a win last year—since 2017. Much of that success, especially over the past five or so years, has been largely due to Tatum.

For the second time in as many weeks, an NBA star has collapsed to the floor because his Achilles tendon ruptured. Milwaukee Bucks guard Damian Lillard went down with the injury in the first round of the playoffs against the Indiana Pacers on April 27,