Oakland Athletics pitcher Dallas Braden celebrates after throwing a perfect game against the Tampa Bay Rays on May 9 in Oakland, Calif. Braden pitched the 19th perfect game in major league history in a 4-0 victory over the Rays on Sunday. Marcio Jose Sanchez/AP
Braden (51) is hugged by teammate Brandon Powell after throwing a perfect game on May 9. Marcio Jose Sanchez/AP
Peggy Lindsey, Dallas Braden's grandmother, gives him a hug after the Oakland Athletics pitcher threw a perfect game on Mother's Day in Oakland, Calif. Marcio Jose Sanchez/AP
Dallas Braden pitches in the third inning of the Oakland Athletics baseball game against the Tampa Bay Rays on May 9. Marcio Jose Sanchez/AP
The scoreboard in Oakland, Calif., shows the final outcome of the Athletics game against the Tampa Bay Rays where Oakland's pitcher Dallas Braden threw a perfect game. Dino Vournas/AP
Dallas Braden celebrates with teammates after his perfect game on May 9. Carlos Avila Gonzalez/San Francisco Chronicle/AP
Dallas Braden is congratulated by teammate Landon Powell after throwing a perfect game on May 9. Dino Vournas/AP
Following his perfect game, Dallas Braden speaks to the media on May 9. Dino Vournas/AP
Dallas Braden is seen here pitching during the third inning of the Oakland Athletics' baseball game against the Tampa Bay Rays on May 9. Marcio Jose Sanchez/AP
Dallas Braden celebrates throwing a perfect game against the Tampa Bay Rays on Sunday, May 9, in Oakland, Calif. Carlos Avila Gonzalez/AP
Obama phoned Russia's Vladimir Putin Thursday to discuss a US proposal for resolving the Ukraine crisis. Earlier, the US moved to begin a regimen of sanctions against Russia. Will those be enough to prevent Russia's annexation of Crimea?
[Updated 9:30 p.m. ET] President Obama appealed to Russian President Vladimir Putin late Thursday, during a personal phone call, to agree to direct talks with Ukraine aimed at resolving, through diplomacy rather than military confrontation, Russia's concerns about the future direction of the Ukrainian government and of the rights of ethnic Russians living in Ukraine.