Ukrainian pole-vault star Sergei Bubka had a lot of record-setting vaults during the 1990–91 season. Bubka, a wise businessman, had a clause written into his contract with a shoe company that called for him to earn a bonus each and every time he bested the indoor and/or outdoor pole-vault records. Sergei managed to eclipse the old records eight times that season. Strangely enough, each time he upped the old records he bested them by about a mere quarter of an inch…. — Michael Pellowski, in his book Not-So-Great Moments in Sports (read for free)