Complex sentence: After the collision, he still managed to throw the ball to third base in an attempt to catch the advancing runner, his former teammate Gorman Thomas; when the throw went into left field, Thomas tried to come home.
Split into simpler sentences: After the collision, he still managed to throw the ball to third base in an attempt to catch the advancing runner, his former teammate Gorman Thomas. When the throw went into left field, Thomas tried to come home.