Jayson Tatum #0 of the Boston Celtics shoots a free throw during the game against the San Antonio Spurs on March 29, 2025 at the Frost Bank Center in San Antonio, Texas. (Photo by Michael Gonzales / NBAE / Getty Images / Getty Images via AFP) The NBA champion Boston Celtics and Western Conference leaders Oklahoma City continued their march to the playoffs on Saturday as the Los Angeles Lakers bounced back with a win over the Memphis Grizzlies. Jayson Tatum (pictured) scored 29 points with 10 rebounds and eight assists to propel the Celtics to their eighth straight victory, 121-111 over the Spurs in…