Fotos del boxeo

Devon Alexander hits a punching bag as he works out at the Marquette Recreation Center Wednesday, Nov. 18, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars.(AP Photo/Jeff Roberson)

AP

Devon Alexander does sit-ups under the supervision of trainer Kevin Cunningham at the Marquette Recreation Center Wednesday, Nov. 18, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)

AP

Devon Alexander puts on his shoes before working out at the Marquette Recreation Center Monday, Nov. 16, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)

AP

Devon Alexander poses for a portrait at the Marquette Recreation Center where he works out Wednesday, Nov. 18, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)

AP

Devon Alexander smiles as he works out at the Marquette Recreation Center Monday, Nov. 16, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)

AP

Devon Alexander poses for a portrait at the Marquette Recreation Center where he works out Wednesday, Nov. 18, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)

AP

Devon Alexander does sit-ups under the supervision of trainer Kevin Cunningham at the Marquette Recreation Center Wednesday, Nov. 18, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)

AP

Devon Alexander hits a punching bag as he works out at the Marquette Recreation Center Wednesday, Nov. 18, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars.(AP Photo/Jeff Roberson)

AP

Devon Alexander smiles as he works out at the Marquette Recreation Center Monday, Nov. 16, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)

AP

Devon Alexander, right, works out under the watchful eye of trainer Kevin Cunningham at the Marquette Recreation Center Wednesday, Nov. 18, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)

AP