Ty Cobb signs with the Detroit Tigers for $4,000 plus an $800 bonus if he hits over .300. He will collect the bonus with a league-leading .324 average, becoming one of only three American League regulars to top .300 this year – the National League will have five.

On March 21, 1908 — Ty Cobb signs with the Detroit Tigers for $4,000 plus an $800 bonus if he hits over .300. He will collect the bonus with a league-leading .324 average, becoming one of only three American League regulars to top .300 this year – the National League will have five.