The Portland Trail Blazers are disappointed following a 114-93 loss to the San Antonio Spurs in Game 4 of their first round NBA Playoffs series. The Spurs and Blazers were tied going into the fourth quarter, but San Antonio pulled away with brilliant play on both ends of the floor. Here's a look at three takeaways from the Game 4 loss: Fourth-Quarter Collapse Portland Trail Blazers coach Tiago Splitter pulls forward Deni Avdija away from San Antonio Spurs guard Stephon Castle | Troy Wayrynen-Imagn Images The Blazers entered the final frame tied, but were outscored 40-19 in a disastrous 12-minute stretch. The primary issue was a sudden inability to handle San Antonio’s pick-and-roll combinations. The Blazers struggled with the back-screen on the center, leading to three consecutive wide-open layups for Spurs cutters. Without a secondary playmaker to relieve pressure, the Blazers reverted to "hero ball," shooting just 4-of-19 from the floor in the quarter.…