David Diaz returned to the ring in Chicago with a decision win over fellow veteran Jesus Chavez. (Photo via www.boxnews.com.ua)

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There was plenty of other boxing on Saturday besides just Vitali Klitschko's stoppage of Chris Arreola and Poonsawat Kratingdaenggym's third round TKO of Bernard Dunne, so let's take a look around at the results from elsewhere in the world of boxing.

In Chicago, former lightweight titlists David Diaz and Jesus Chavez battled, with Diaz coming out the winner via majority decision. Diaz (35-2-1, 17 KO) won on scores of 97-93, 96-94 and 95-95. It was Diaz's first fight since his June 2008 shellacking at the hands of Manny Pacquiao, though to be fair he did better against Pacquiao than either Oscar de la Hoya or Ricky Hatton did. Diaz, like Chris Arreola, is one of those humble, affable guys that you can't help but root for.

Chavez (44-6, 30 KO) appeared likely to retire after a lopsided April loss to Michael Katsidis, but by all reports he made a pretty decent showing against Diaz. Diaz is a limited fighter and Chavez, at 36, is well past his prime. It's unlikely we'll see either of them make any grand return to the championship ranks, but both are good guys that fight their asses off. Hopefully the show was a live success at the UIC Pavilion and promoters start thinking about using Chicago for bigger events. I think it's a really untapped and potentially very strong fight city.

In a featherweight bout on the Diaz-Chavez undercard, Juan Carlos Martinez upset Jose Andres Hernandez, winning a ten-round unanimous decision. Martinez (17-11-1, 7 KO) scored the best win of his career with this one. Hernandez (22-5, 14 KO) was last seen getting outclassed by Rocky Juarez over two years ago, on the Oscar de la Hoya-Floyd Mayweather Jr. undercard. He is perhaps best known as the man who took Jason Litzau's "0" when he knocked him out in December 2006.

On the Klitschko-Arreola undercard, rising lightweight prospect John Molina (18-0, 14 KO) knocked out trial horse Efren Hinojosa in the first round. Johnathon Banks (22-1, 15 KO) won a majority decision at heavyweight over Javier Mora (22-5-1, 18 KO). Banks has fought his last two at heavyweight since losing to cruiserweight champion Tomasz Adamek earlier this year.

Heavyweight Cedric Boswell (31-1, 24 KO) beat Cisse Sarif (23-16-2, 21 KO) over eight rounds, shutting him out on every card. Junior featherweight prospect Rico Ramos improved to 13-0 (8) with a six-round decision win over veteran Kermin Guardia.