The first clue is a word for "incoming" (commonly used for flights) minus U ((the old U = posh/upper class chestnut which is well past its sell-by date).
Stretching out: def is stretching your neck when you're straining to see better. Wordplay is number of people in a baseball team minus last letter inside an obscure word for neck (2nd def in Chambers) which also means a rough steep rock or point, a cliff.