Damian Lillard scored 15 of his 24 points in the third quarter, and the Portland Trail Blazers held Russell Westbrook without a basket in the second half in beating the Oklahoma City Thunder 111-98 on Sunday night to take a 3-1 lead in their series.

Lillard had another big third quarter after scoring 25 points in the period in a Game 3 loss Friday. In this game, he was 5 of 7 in the third to help Portland take control for good.

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Oklahoma City Thunder forward Nerlens Noel (3) dunks as Portland Trail Blazers forward Meyers Leonard (11) looks on in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Damian Lillard scored 15 of his 24 points in the third quarter, and the Portland Trail Blazers held Russell Westbrook without a basket in the second half in beating the Oklahoma City Thunder 111-98 on Sunday night to take a 3-1 lead in their series.
Oklahoma City Thunder guard Russell Westbrook (0) goes to the basket as Portland Trail Blazers forward Meyers Leonard (11) defends in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Paul George had 32 points and 10 rebounds for Oklahoma City. Dennis Schroder added 17 points.
Oklahoma City Thunder guard Russell Westbrook (0) celebrates after scoring against the Portland Trail Blazers in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Lillard hit deep back-to-back 3s 27 seconds apart to give Portland a 66-54 lead. The Trail Blazers stretched the lead to 19 in the third quarter before the Thunder closed the gap. George hit a 3-pointer from the corner in the closing seconds to cut Portland's lead to 79-68.
Oklahoma City Thunder guard Russell Westbrook (0) shoots a three point basket as Portland Trail Blazers guard CJ McCollum (3) defends in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Trail Blazers: Lillard missed his first six shots. He was just 2 of 8 in the first half and scored seven points. ... Made 22 of 23 free throws.
Oklahoma City Thunder forward Jerami Grant, center, and Portland Trail Blazers guard Damian Lillard, left, compete for a loose ball in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

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Oklahoma City Thunder forward Nerlens Noel (3) dunks as Portland Trail Blazers forward Meyers Leonard (11) looks on in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Damian Lillard scored 15 of his 24 points in the third quarter, and the Portland Trail Blazers held Russell Westbrook without a basket in the second half in beating the Oklahoma City Thunder 111-98 on Sunday night to take a 3-1 lead in their series.

Oklahoma City Thunder guard Russell Westbrook (0) goes to the basket as Portland Trail Blazers forward Meyers Leonard (11) defends in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Paul George had 32 points and 10 rebounds for Oklahoma City. Dennis Schroder added 17 points.

Oklahoma City Thunder guard Russell Westbrook (0) celebrates after scoring against the Portland Trail Blazers in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Lillard hit deep back-to-back 3s 27 seconds apart to give Portland a 66-54 lead. The Trail Blazers stretched the lead to 19 in the third quarter before the Thunder closed the gap. George hit a 3-pointer from the corner in the closing seconds to cut Portland's lead to 79-68.

Oklahoma City Thunder guard Russell Westbrook (0) shoots a three point basket as Portland Trail Blazers guard CJ McCollum (3) defends in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Trail Blazers: Lillard missed his first six shots. He was just 2 of 8 in the first half and scored seven points. ... Made 22 of 23 free throws.

Oklahoma City Thunder forward Jerami Grant, center, and Portland Trail Blazers guard Damian Lillard, left, compete for a loose ball in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

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C.J. McCollum scored 27 points, Al-Farouq Aminu had 19 points and nine rebounds and Maurice Harkless added 15 points and 10 rebounds for the Trail Blazers. Portland can close out the series Tuesday at home.

Oklahoma City Thunder forward Nerlens Noel (3) dunks as Portland Trail Blazers forward Meyers Leonard (11) looks on in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Oklahoma City Thunder forward Nerlens Noel (3) dunks as Portland Trail Blazers forward Meyers Leonard (11) looks on in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Paul George had 32 points and 10 rebounds for Oklahoma City. Dennis Schroder added 17 points.

Westbrook scored 14 points on 5-for-21 shooting. He missed his final 10 shots and was 0 for 7 for one point in the second half.

George missed most of the second quarter with three fouls, but the Thunder hung tough and led for much of the period. Lillard hit a 3-pointer in the final minute of the first half to give Portland the lead, then Aminu hit a 3 with 3.9 seconds left as the Trail Blazers took a 50-46 edge into the break.

Oklahoma City Thunder guard Russell Westbrook (0) goes to the basket as Portland Trail Blazers forward Meyers Leonard (11) defends in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Oklahoma City Thunder guard Russell Westbrook (0) goes to the basket as Portland Trail Blazers forward Meyers Leonard (11) defends in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Lillard hit deep back-to-back 3s 27 seconds apart to give Portland a 66-54 lead. The Trail Blazers stretched the lead to 19 in the third quarter before the Thunder closed the gap. George hit a 3-pointer from the corner in the closing seconds to cut Portland's lead to 79-68.

A 3-pointer by Schroder cut Portland's lead to 97-87 with 3:35 remaining, but Portland maintained control.

TIP-INS

Oklahoma City Thunder guard Russell Westbrook (0) celebrates after scoring against the Portland Trail Blazers in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Oklahoma City Thunder guard Russell Westbrook (0) celebrates after scoring against the Portland Trail Blazers in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Trail Blazers: Lillard missed his first six shots. He was just 2 of 8 in the first half and scored seven points. ... Made 22 of 23 free throws.

Thunder: Coach Billy Donovan was called for a technical in the first quarter for a no-call against Steven Adams. ... Shot 37.5 percent from the field. ... Westbrook had nine rebounds and seven assists.

Follow Cliff Brunt on Twitter: www.twitter.com/CliffBruntAP

Oklahoma City Thunder guard Russell Westbrook (0) shoots a three point basket as Portland Trail Blazers guard CJ McCollum (3) defends in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Oklahoma City Thunder guard Russell Westbrook (0) shoots a three point basket as Portland Trail Blazers guard CJ McCollum (3) defends in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

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Oklahoma City Thunder forward Jerami Grant, center, and Portland Trail Blazers guard Damian Lillard, left, compete for a loose ball in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)

Oklahoma City Thunder forward Jerami Grant, center, and Portland Trail Blazers guard Damian Lillard, left, compete for a loose ball in the first half of Game 4 of an NBA basketball first-round playoff series Sunday, April 21, 2019, in Oklahoma City. (AP PhotoAlonzo Adams)