By SI Staff Our staff picks for Heat-Sixers, Celtics-Bucks, Suns-Mavs and Grizzlies-Warriors. Round 2! Eight teams remain in the 2022 NBA Playoffs. Who will advance to the conference finals? Here are our staff picks: Eastern ConferenceHeat (1) vs. 76ers (4)Howard Beck: Heat in 5John Gonzalez: Sixers in 7Jarrel Harris: Heat in 6Chris Herring: Heat in 5Robin Lundberg: Heat in 6Chris Mannix: Heat in 6Rohan Nadkarni: Heat in 5Ben Pickman: Heat in 6Michael Pina: Heat in 6Michael Shapiro: Heat in 6Elizabeth Swinton: Heat in 6Jeremy Woo: Heat in 6Kyle Wood: Heat in 6 Celtics (2) vs. Bucks (3)Beck: Ce…