Bonds takes up cycling and sheds quite a bit of weight as you can see from this shot taken near Aspen, Colo., at Independence Pass, which is at an altitude of 12,095 feet. In fact, he looks more like he did as a skinny rookie in the Pirates organization.

Jury finds Barry Bonds guilty of one count of obstruction of justice. The jury failed to reach a verdict on three other counts that the home run king lied to a grand jury when he denied knowingly using steroids and human growth hormone. In December 2011 he is sentenced to 30 days of house arrest, two years of probation and a $4,000 fine. Bonds is appealing the verdict.

After previous charges are dismissed years prior, Bonds is charged in third superseding indictment with four counts of making false statements plus an additional obstruction of justice charge. Each count carries sentence of up to 10 years in prison if convicted. Federal sentencing guidelines indicate recommended sentence of 15-to-21 months if convicted on any of the counts.

The report conducted by investigator George J. Mitchell into performance-enhancing drug use in baseball, is released. The release of the Mitchell Report comes less than a month after Bonds was indicted on four counts of perjury and one for obstruction of justice. Bonds pleaded not guilty to the charges.

Bonds hits his 756th homer, at San Francisco off Washington's Mike Bacsik, breaking Hank Aaron's all-time career record.

In '04, Barry Bonds surely had a season to remember. The slugger hit .362, and drew 232 walks to go along with .812 SLG, .609 OBP. Bonds also passed Willie Mays on the all-time home run record list with his 661st homer, and won the last of his seven NL MVP awards.

Bonds testifies before a federal grand jury in San Francisco investigating the Bay Area Laboratory Co-Operative (BALCO).

Bonds breaks Mark McGwire's season record with his 71st home run off the Dodgers' Chan Ho Park. The 37-year-old Bonds, who has never hit 50 homers in a season before, goes on to hit 73. Bonds is seen here celebrating the feat at the 2001 World Series.

Having become a free agent, Bonds agrees to $43.75 million, six-year contract with the San Francisco Giants, making his debut in the '93 season.

With the Pirates, Bonds wins the first of what became a major-league record seven Most Valuable Player awards.

Bonds makes major league debut with the Pittsburgh Pirates. Bonds popped out to shortstop against the Dodgers' Orel Hershiser in his first at-bat.
 

Barry's dad Bobby Bonds was a three-time All-Star, three-time Gold Glove winner and the 1973 All-Star Game MVP during his career span from 1968 to 1981, the majority of which was with the Giants. He also had a propensity for walks, which apparently was hereditary. Bonds died of complications from lung cancer and a brain tumor at age 57.

A timeline of the key dates in the career of Barry Bonds, and the investigation into charges he used performance-enhancing drugs.

The Associated Press contributed to compilation