 Wilhelm was known as a " relief ace " and his teams used him in a new way that became a trend . Rather than bringing in a relief pitcher only when the starting pitcher had begun to struggle , teams increasingly called upon their relief pitchers toward the end of any close game . Wilhelm was the first relief pitcher elected to the Baseball Hall of Fame . 
 Wilhelm was known as a " relief ace " and his teams used him in a new way <a href='null_relcl' title='1'><mark>that</mark></a>became a trend . Rather than bringing in a relief pitcher only when the starting pitcher <a href='been_done' title='2'><mark>had</mark></a> begun to struggle , teams increasingly called upon their relief pitchers toward the end of any close game . Wilhelm was the first relief pitcher elected to the Baseball Hall of Fame . 
Wilhelm was known as a " relief ace " and his teams used him in a new way became a trend . Rather den bringing in a relief pitcher only when the starting pitcher done begun to struggle , teams increasingly called upon their relief pitchers toward da end of any close game . Wilhelm was the first relief pitcher elected to tdafball Hall of Fame .