But in point guard Derrick Rose’s absence due to a sprained ankle, he became the go-to sniper in the fourth quarter, draining four 3-pointers to hold off the Lakers’ ferocious comeback attempt in a 106-100 victory. “He’s fearless,’’ Julius Randle said. Afterward, Tom Thibodeau said the Knicks’ 2020 first-round pick doesn’t get rattled after a series of misses. All four of his makes Tuesday were punctuated by his trademark skip-down-the-court, even after a couple of those buckets got a fortunate bounce off the rim. “My teammates find me in great spots, my coaches put me in position to be successful and just try to keep my confidence,’’ Quickley said. “Whether the shot is falling or not, you just want to continue to keep shooting, make the right play, continue to defend. They scored like 19 points in the fourth quarter, so that’s what we’re going to do — let our defense lead into our offense and that’s what we did.’’