In other cases, a general manager feeling the pressure to win immediately caves to an agent and offers a long-term deal to an older player whose productive days are likely to end before the contract does.
While it is a sensitive time for US-Russian relations because of the crisis in Syria, the FSB's claims to have unearthed a CIA agent are unlikely to have any long-term political consequences, the BBC's Steve Rosenberg reports from Moscow.
He just briefly ran through some of the themes, from a growing trade relationship to the joint search for Americans missing in Vietnam and the long-term effects of America's use of the defoliant Agent Orange in the war.