Throw in after made field goal

[John Schaefferkoetter]

Team A scores basket, Team B takes ball out of bounds and runs baseline as team A presses. Another player from Team B steps out of bounds for pass. Player who catches pass out of bounds also runs baseline.

Once the ball was passed in bounds to the second Team B player, is he now the spot and cannot run baseline or can he also run the baseline?

How can a team do all of this on a 5 count?